======================================
| xx__-> [    9.397634][  T204] ------------[ cut here ]------------
| [    9.397853][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.398144][  T204] Modules linked in:
| [    9.398574][  T204] Tainted: [W]=WARN
[    9.398678][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.398849][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.399028][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.399527][  T204] RSP: 0018:ffa00000009c7a80 EFLAGS: 00010286
[    9.399700][  T204] RAX: 00000000ffffffa6 RBX: ff1100000dfd7a80 RCX: 1ff4000000138f16
[    9.399951][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd7b3c
[    9.400161][  T204] RBP: ff1100000911c000 R08: 1fe2200001bfaf69 R09: ff1100000f802e80
[    9.400364][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.400571][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000911c000
[    9.400775][  T204] FS:  00007f1332940840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[    9.401017][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.401197][  T204] CR2: 0000000000479648 CR3: 000000000fade004 CR4: 0000000000771ef0
[    9.401404][  T204] PKRU: 55555554
[    9.401508][  T204] Call Trace:
[    9.401617][  T204]  <TASK>
[    9.401688][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.401828][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.401966][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.402069][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.402212][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.402382][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.402523][  T204]  register_netdev (net/core/dev.c:11552)
[    9.402662][  T204]  loopback_net_init (drivers/net/loopback.c:218)
[    9.402801][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.402907][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.403010][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.403153][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.403291][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.403431][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.403571][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.403709][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.403847][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.403985][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.404130][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.404265][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.404402][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.404545][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.404680][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.404816][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.404952][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.405090][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.405232][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.405401][  T204] RIP: 0033:0x7f1332c02bcb
[    9.405551][  T204] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.406038][  T204] RSP: 002b:00007fff569c2328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.406261][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1332c02bcb
[    9.406461][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.406667][  T204] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.406867][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff569c4550
[    9.407109][  T204] R13: 0000000000000001 R14: 00007f13329406f8 R15: 00007fff569c5863
| [    9.411662][  T204] ------------[ cut here ]------------
| [    9.411811][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.412044][  T204] Modules linked in:
| [    9.412962][  T204] Tainted: [W]=WARN
[    9.413064][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.413245][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.413418][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.413899][  T204] RSP: 0018:ffa00000009c7918 EFLAGS: 00010286
[    9.414078][  T204] RAX: 00000000ffffffa6 RBX: ff1100000a5043c0 RCX: 1ff4000000138ee9
[    9.414286][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a50447c
[    9.414487][  T204] RBP: ff110000093d4000 R08: 1fe22000014a0891 R09: ff1100000f802e80
[    9.414691][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.414896][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093d4000
[    9.415104][  T204] FS:  00007f1332940840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[    9.415341][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.415509][  T204] CR2: 0000000000479648 CR3: 000000000fade004 CR4: 0000000000771ef0
[    9.415717][  T204] PKRU: 55555554
[    9.415823][  T204] Call Trace:
[    9.415924][  T204]  <TASK>
[    9.415995][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.416136][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.416272][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.416375][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.416512][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.416689][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.416826][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.416962][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.417101][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.417238][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.417372][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.417508][  T204]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.417657][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.417760][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.417862][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.417996][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.418136][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.418271][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.418406][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.418554][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.418688][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.418822][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.418957][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.419090][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.419230][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.419372][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.419506][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.419644][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.419777][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.419912][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.420046][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.420218][  T204] RIP: 0033:0x7f1332c02bcb
[    9.420362][  T204] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.420841][  T204] RSP: 002b:00007fff569c2328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.421044][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1332c02bcb
[    9.421254][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.421452][  T204] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.421655][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff569c4550
[    9.421854][  T204] R13: 0000000000000001 R14: 00007f13329406f8 R15: 00007fff569c5863
| [    9.425821][  T204] ------------[ cut here ]------------
| [    9.426061][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.426308][  T204] Modules linked in:
| [    9.426775][  T204] Tainted: [W]=WARN
[    9.426877][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.427046][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.427319][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.427808][  T204] RSP: 0018:ffa00000009c78f8 EFLAGS: 00010286
[    9.428066][  T204] RAX: 00000000ffffffa6 RBX: ff1100000bade580 RCX: 1ff4000000138ee5
[    9.428272][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bade63c
[    9.428477][  T204] RBP: ff1100000a73c000 R08: 1fe220000175bcc9 R09: ff1100000f802e80
[    9.428768][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.428968][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a73c000
[    9.429175][  T204] FS:  00007f1332940840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[    9.429417][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.429589][  T204] CR2: 0000000000479648 CR3: 000000000fade004 CR4: 0000000000771ef0
[    9.429881][  T204] PKRU: 55555554
[    9.429981][  T204] Call Trace:
[    9.430083][  T204]  <TASK>
[    9.430158][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.430293][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.430525][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.430628][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.430763][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.430931][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.431162][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.431297][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.431442][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.431583][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.431805][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.431940][  T204]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.432075][  T204]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.432304][  T204]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.432441][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.432556][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.432659][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.432792][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.433014][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.433156][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.433293][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.433432][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.433667][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.433802][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.433937][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.434072][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.434298][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.434433][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.434580][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.434716][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.434936][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.435070][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.435208][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.435375][  T204] RIP: 0033:0x7f1332c02bcb
[    9.435620][  T204] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.436192][  T204] RSP: 002b:00007fff569c2328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.436395][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1332c02bcb
[    9.436606][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.436894][  T204] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.437092][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff569c4550
[    9.437343][  T204] R13: 0000000000000001 R14: 00007f13329406f8 R15: 00007fff569c5863
| [    9.442050][  T204] ------------[ cut here ]------------
| [    9.442210][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.442440][  T204] Modules linked in:
| [    9.442910][  T204] Tainted: [W]=WARN
[    9.443019][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.443197][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.443370][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.443939][  T204] RSP: 0018:ffa00000009c7a78 EFLAGS: 00010286
[    9.444119][  T204] RAX: 00000000ffffffa6 RBX: ff1100000badfc40 RCX: 1ff4000000138f15
[    9.444404][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badfcfc
[    9.444606][  T204] RBP: ff1100000a7ac000 R08: 1fe220000175bfa1 R09: ff1100000f802e80
[    9.444806][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.445092][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7ac000
[    9.445305][  T204] FS:  00007f1332940840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[    9.445540][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.445795][  T204] CR2: 0000000000479648 CR3: 000000000fade004 CR4: 0000000000771ef0
[    9.445997][  T204] PKRU: 55555554
[    9.446102][  T204] Call Trace:
[    9.446296][  T204]  <TASK>
[    9.446365][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.446498][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.446635][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.446737][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.446957][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.447129][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.447270][  T204]  register_netdev (net/core/dev.c:11552)
[    9.447402][  T204]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.447626][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.447728][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.447829][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.447963][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.448187][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.448331][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.448465][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.448605][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.448824][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.448957][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.449090][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.449236][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.449454][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.449593][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.449725][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.449858][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.450075][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.450214][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.450356][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.450525][  T204] RIP: 0033:0x7f1332c02bcb
[    9.450758][  T204] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.451325][  T204] RSP: 002b:00007fff569c2328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.451538][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1332c02bcb
[    9.451736][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.452021][  T204] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.452225][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff569c4550
[    9.452430][  T204] R13: 0000000000000001 R14: 00007f13329406f8 R15: 00007fff569c5863
| [    9.456985][  T204] ------------[ cut here ]------------
| [    9.457140][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.457371][  T204] Modules linked in:
| [    9.457894][  T204] Tainted: [W]=WARN
[    9.457995][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.458168][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.458344][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.458921][  T204] RSP: 0018:ffa00000009c7a68 EFLAGS: 00010286
[    9.459089][  T204] RAX: 00000000ffffffa6 RBX: ff1100000bc76580 RCX: 1ff4000000138f13
[    9.459424][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc7663c
[    9.459636][  T204] RBP: ff11000005951000 R08: 1fe220000178ecc9 R09: ff1100000f802e80
[    9.459834][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.460126][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005951000
[    9.460327][  T204] FS:  00007f1332940840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[    9.460569][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.460823][  T204] CR2: 0000000000479648 CR3: 000000000fade004 CR4: 0000000000771ef0
[    9.461024][  T204] PKRU: 55555554
[    9.461130][  T204] Call Trace:
[    9.461229][  T204]  <TASK>
[    9.461383][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.461517][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.461661][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.461763][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.461981][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.462156][  T204]  register_netdev (net/core/dev.c:11552)
[    9.462288][  T204]  sit_init_net (net/ipv6/sit.c:1860)
[    9.462422][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.462614][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.462722][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.462854][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.462987][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.463129][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.463263][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.463398][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.463534][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.463674][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.463893][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.464025][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.464165][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.464300][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.464518][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.464662][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.464795][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.464930][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.465154][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.465319][  T204] RIP: 0033:0x7f1332c02bcb
[    9.465458][  T204] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.466031][  T204] RSP: 002b:00007fff569c2328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.466323][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1332c02bcb
[    9.466526][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.466733][  T204] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.467019][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff569c4550
[    9.467220][  T204] R13: 0000000000000001 R14: 00007f13329406f8 R15: 00007fff569c5863
| [    9.477755][  T204] ------------[ cut here ]------------
| [    9.477907][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.478224][  T204] Modules linked in:
| [    9.478603][  T204] Tainted: [W]=WARN
[    9.478705][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.478964][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.479144][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.479711][  T204] RSP: 0018:ffa00000009c7a78 EFLAGS: 00010286
[    9.479880][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c37bc40 RCX: 1ff4000000138f15
[    9.480172][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37bcfc
[    9.480372][  T204] RBP: ff1100000eeb4000 R08: 1fe220000186f7a1 R09: ff1100000f802e80
[    9.480576][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.480861][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eeb4000
[    9.481063][  T204] FS:  00007f1332940840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[    9.481388][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.481560][  T204] CR2: 0000000000479648 CR3: 000000000fade004 CR4: 0000000000771ef0
[    9.481760][  T204] PKRU: 55555554
[    9.481861][  T204] Call Trace:
[    9.482046][  T204]  <TASK>
[    9.482121][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.482258][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.482391][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.482493][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.482717][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.482884][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.483020][  T204]  register_netdev (net/core/dev.c:11552)
[    9.483160][  T204]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.483384][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.483487][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.483593][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.483726][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.483945][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.484082][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.484224][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.484364][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.484587][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.484721][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.484853][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.484987][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.485129][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.485265][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.485401][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.485541][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.485764][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.485897][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.486033][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.486205][  T204] RIP: 0033:0x7f1332c02bcb
[    9.486436][  T204] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.486919][  T204] RSP: 002b:00007fff569c2328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.487211][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1332c02bcb
[    9.487412][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.487703][  T204] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.487903][  T204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff569c4550
[    9.488109][  T204] R13: 0000000000000001 R14: 00007f13329406f8 R15: 00007fff569c5863
| [    9.512018][  T205] ------------[ cut here ]------------
| [    9.513053][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/205
| [    9.513405][  T205] Modules linked in:
| [    9.513788][  T205] Tainted: [W]=WARN
[    9.513887][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.514055][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.514339][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.514818][  T205] RSP: 0018:ffa00000009d7020 EFLAGS: 00010286
[    9.514984][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c37d000 RCX: 1ff400000013adca
[    9.515287][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37d0bc
[    9.515483][  T205] RBP: ff1100000911c000 R08: 1fe220000186fa19 R09: ff1100000fd48b58
[    9.515688][  T205] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.515883][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.516082][  T205] FS:  00007f487274e840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[    9.516397][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.516572][  T205] CR2: 0000000012206988 CR3: 000000000feff001 CR4: 0000000000771ef0
[    9.516769][  T205] PKRU: 55555554
[    9.516868][  T205] Call Trace:
[    9.516967][  T205]  <TASK>
[    9.517035][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.517235][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.517337][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.517474][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.517612][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.517744][  T205]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.517876][  T205]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.518009][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.518236][  T205]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.518372][  T205]  netif_change_flags (net/core/dev.c:9820)
[    9.518511][  T205]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.518648][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.518784][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.518918][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.519083][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.519290][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.519428][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.519562][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.519696][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[    9.519829][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.519963][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.520158][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.520292][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.520431][  T205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.520567][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.520698][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.520831][  T205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.520963][  T205]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.521181][  T205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.521318][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.521452][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.521592][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.521726][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.521861][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.521992][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.522211][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.522380][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.522511][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.522649][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.522780][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.522912][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.523044][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.523259][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.523391][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.523529][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.523662][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.523793][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.523927][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.524057][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.524280][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.524414][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.524550][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.524686][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.524817][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.524950][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.525090][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.525306][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.525439][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.525576][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.525710][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.525845][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.525977][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.526190][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.526354][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.526486][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.526621][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.526755][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.526885][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.527055][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.527283][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.527417][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.527553][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.527719][  T205]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.527852][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.527991][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.528206][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.528338][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.528469][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.528636][  T205] RIP: 0033:0x7f487298808e
[    9.528774][  T205] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.529300][  T205] RSP: 002b:00007ffcbe23f440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.529498][  T205] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f487298808e
[    9.529696][  T205] RDX: 0000000000000000 RSI: 00007ffcbe23f4f0 RDI: 0000000000000005
[    9.529900][  T205] RBP: 00007ffcbe23f450 R08: 0000000000000000 R09: 0000000000000000
[    9.530100][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddf8
[    9.530298][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbe23fbc0
| [    9.637588][  T208] ------------[ cut here ]------------
| [    9.637795][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.638091][  T208] Modules linked in:
| [    9.638518][  T208] Tainted: [W]=WARN
[    9.638626][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.638804][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.639000][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.639587][  T208] RSP: 0018:ffa0000000a06e30 EFLAGS: 00010286
[    9.639759][  T208] RAX: 00000000ffffffa6 RBX: ff11000008d5c900 RCX: 1ff4000000140d8c
[    9.639986][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d5c9bc
[    9.640287][  T208] RBP: ff11000010149000 R08: 1fe22000011ab939 R09: ff1100000fad2e80
[    9.640487][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.640696][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000060f4e80
[    9.640895][  T208] FS:  00007f56269c7840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[    9.641213][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.641386][  T208] CR2: 00000000004eb188 CR3: 0000000001ee7001 CR4: 0000000000771ef0
[    9.641592][  T208] PKRU: 55555554
[    9.641771][  T208] Call Trace:
[    9.641872][  T208]  <TASK>
[    9.641942][  T208]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.642200][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.642339][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.642440][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.642594][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.642728][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.642861][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.642998][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.643146][  T208]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.643284][  T208]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.643453][  T208]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.643629][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.643782][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.643920][  T208]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.644085][  T208]  veth_newlink (drivers/net/veth.c:1871)
[    9.644273][  T208]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.644407][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.644547][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.644680][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.644828][  T208]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.644962][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.645103][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.645237][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.645372][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.645507][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.645647][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.645780][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.645914][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.646081][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.646228][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.646370][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.646507][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.646646][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.646777][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.646908][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.647050][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.647202][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.647349][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.647487][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.647627][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.647768][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.647903][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.648037][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.648185][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.648323][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.648457][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.648600][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.648752][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.648954][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.649170][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.649380][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.649595][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.649779][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.649922][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.650060][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.650205][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.650339][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.650507][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.650736][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.650874][  T208]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.651013][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.651157][  T208]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.651295][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.651444][  T208]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.651596][  T208]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.651737][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.651873][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.652035][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.652176][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.652313][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.652448][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.652595][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.652736][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.652930][  T208] RIP: 0033:0x7f5626c0108e
[    9.653085][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.653593][  T208] RSP: 002b:00007ffc400d2820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.653805][  T208] RAX: ffffffffffffffda RBX: 00007ffc400d2fc8 RCX: 00007f5626c0108e
[    9.654012][  T208] RDX: 0000000000000000 RSI: 00007ffc400d28d0 RDI: 0000000000000005
[    9.654226][  T208] RBP: 00007ffc400d2830 R08: 0000000000000000 R09: 0000000000000000
[    9.654437][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddf8
[    9.654646][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc400d2fa0
| [    9.662971][  T208] ------------[ cut here ]------------
| [    9.663649][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.663896][  T208] Modules linked in:
| [    9.664327][  T208] Tainted: [W]=WARN
[    9.664429][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.664656][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.664837][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.665368][  T208] RSP: 0018:ffa0000000a071b0 EFLAGS: 00010286
[    9.665541][  T208] RAX: 00000000ffffffa6 RBX: ff1100000b578200 RCX: 1ff4000000140dfc
[    9.665738][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5782bc
[    9.665937][  T208] RBP: ff110000021f1000 R08: 1fe22000016af059 R09: ff1100000fad2e80
[    9.666194][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.666395][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[    9.666607][  T208] FS:  00007f56269c7840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[    9.666838][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.667002][  T208] CR2: 00000000004eb188 CR3: 0000000001ee7001 CR4: 0000000000771ef0
[    9.667256][  T208] PKRU: 55555554
[    9.667355][  T208] Call Trace:
[    9.667452][  T208]  <TASK>
[    9.667684][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.667829][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.667933][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.668065][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.668253][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.668387][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.668520][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.668668][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.668825][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.668960][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.669153][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.669296][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.669440][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.669628][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.669763][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.669899][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.670031][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.670219][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.670356][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.670490][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.670628][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.670758][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.670892][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.671022][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.671220][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.671351][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.671483][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.671621][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.671755][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.671889][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.672019][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.672205][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.672366][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.672498][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.672636][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.672772][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.672905][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.673039][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.673232][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.673363][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.673529][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.673663][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.673795][  T208]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.673930][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.674063][  T208]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.674265][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.674405][  T208]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.674544][  T208]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.674730][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.674921][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.675063][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.675256][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.675389][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.675520][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.675658][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.675788][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.675950][  T208] RIP: 0033:0x7f5626c0108e
[    9.676238][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.677058][  T208] RSP: 002b:00007ffc400d2820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.677401][  T208] RAX: ffffffffffffffda RBX: 00007ffc400d2fc8 RCX: 00007f5626c0108e
[    9.677771][  T208] RDX: 0000000000000000 RSI: 00007ffc400d28d0 RDI: 0000000000000005
[    9.678066][  T208] RBP: 00007ffc400d2830 R08: 0000000000000000 R09: 0000000000000000
[    9.678382][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddf8
[    9.678737][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc400d2fa0
| [    9.724379][  T210] ------------[ cut here ]------------
| [    9.724587][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/210
| [    9.724831][  T210] Modules linked in:
| [    9.725323][  T210] Tainted: [W]=WARN
[    9.725431][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.725598][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.725769][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.726242][  T210] RSP: 0018:ffa0000000a17020 EFLAGS: 00010286
[    9.726436][  T210] RAX: 00000000ffffffa6 RBX: ff1100000c37a580 RCX: 1ff4000000142dca
[    9.726712][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37a63c
[    9.726907][  T210] RBP: ff110000021f1000 R08: 1fe220000186f4c9 R09: ff11000009560b58
[    9.727107][  T210] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.727299][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.727495][  T210] FS:  00007f6227404840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[    9.727730][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.727896][  T210] CR2: 0000000030231988 CR3: 0000000009485005 CR4: 0000000000771ef0
[    9.728129][  T210] PKRU: 55555554
[    9.728226][  T210] Call Trace:
[    9.728323][  T210]  <TASK>
[    9.728391][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.728529][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.728631][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.728767][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.728904][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.729033][  T210]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.729170][  T210]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.729300][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.729432][  T210]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.729572][  T210]  netif_change_flags (net/core/dev.c:9820)
[    9.729708][  T210]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.729846][  T210]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.730004][  T210]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.730142][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.730305][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.730434][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.730568][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.730699][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.730831][  T210]  ? __kernel_text_address (kernel/extable.c:79)
[    9.730963][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.731123][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.731261][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.731392][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.731527][  T210]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.731656][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.731788][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.731918][  T210]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.732049][  T210]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.732184][  T210]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.732316][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.732453][  T210]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.732595][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.732728][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.732861][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.732989][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.733125][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.733254][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.733390][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.733529][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.733658][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.733788][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.733917][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.734048][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.734190][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.734324][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.734453][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.734590][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.734729][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.734864][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.734994][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.735130][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.735261][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.735393][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.735527][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.735664][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.735796][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.735925][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.736083][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.736219][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.736354][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.736488][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.736628][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.736762][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.736923][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.737053][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.737188][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.737321][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.737453][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.737620][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.737766][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.737904][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.738036][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.738206][  T210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.738337][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.738470][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.738606][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.738735][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.738865][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.739025][  T210] RIP: 0033:0x7f622763e08e
[    9.739167][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.739647][  T210] RSP: 002b:00007ffde41e3150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.739846][  T210] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f622763e08e
[    9.740040][  T210] RDX: 0000000000000000 RSI: 00007ffde41e3200 RDI: 0000000000000005
[    9.740238][  T210] RBP: 00007ffde41e3160 R08: 0000000000000000 R09: 0000000000000000
[    9.740430][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddf8
[    9.740629][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde41e38d0
| [   10.067469][   T12] ------------[ cut here ]------------
| [   10.067684][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   10.067964][   T12] Modules linked in: nf_tables
| [   10.068540][   T12] Tainted: [W]=WARN
[   10.068629][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.068840][   T12] Workqueue: netns cleanup_net
[   10.069001][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.069161][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.069577][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.069731][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc76e40 RCX: 1ff4000000018eed
[   10.069904][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc76efc
[   10.070090][   T12] RBP: ff1100000eeb4000 R08: 1fe220000178ede1 R09: ff11000001aed1d0
[   10.070278][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.070448][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.070625][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   10.070833][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.070981][   T12] CR2: 0000558c147a9e08 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   10.071161][   T12] PKRU: 55555554
[   10.071247][   T12] Call Trace:
[   10.071333][   T12]  <TASK>
[   10.071393][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.071545][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.071687][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.071803][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.071921][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.072037][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.072160][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.072278][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.072396][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.072510][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.072632][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.072748][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.072864][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.072982][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.073102][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.073221][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.073372][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.073488][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.073613][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.073733][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.073851][   T12]  kthread (kernel/kthread.c:436)
[   10.073938][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.074084][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.074210][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.074350][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.074502][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.074672][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.074788][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.077748][   T12] ------------[ cut here ]------------
| [   10.077929][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   10.078196][   T12] Modules linked in: nf_tables
| [   10.078654][   T12] Tainted: [W]=WARN
[   10.078748][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.078894][   T12] Workqueue: netns cleanup_net
[   10.079014][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.079168][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.079589][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.079735][   T12] RAX: 00000000ffffffa6 RBX: ff11000008d45700 RCX: 1ff4000000018eed
[   10.079908][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d457bc
[   10.080082][   T12] RBP: ff11000005951000 R08: 1fe22000011a8af9 R09: ff11000001aed1d0
[   10.080261][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.080433][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.080686][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   10.080904][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.081050][   T12] CR2: 0000558c147a9e08 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   10.081236][   T12] PKRU: 55555554
[   10.081324][   T12] Call Trace:
[   10.081520][   T12]  <TASK>
[   10.081592][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.081771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.081921][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.082038][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.082161][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.082275][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.082392][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.082541][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.082663][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.082785][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.082903][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.083020][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.083163][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.083280][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.083395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.083512][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.083640][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.083756][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.083876][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.083997][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.084119][   T12]  kthread (kernel/kthread.c:436)
[   10.084206][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.084350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.084465][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.084592][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.084742][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.084894][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.085012][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.087694][   T12] ------------[ cut here ]------------
| [   10.087870][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   10.088147][   T12] Modules linked in: nf_tables
| [   10.088583][   T12] Tainted: [W]=WARN
[   10.088672][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.088834][   T12] Workqueue: netns cleanup_net
[   10.088956][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.089113][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.089550][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.089703][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd6200 RCX: 1ff4000000018eed
[   10.089883][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd62bc
[   10.090077][   T12] RBP: ff1100000a7ac000 R08: 1fe2200001bfac59 R09: ff11000001aed1d0
[   10.090254][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.090424][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.090602][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   10.090808][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.090975][   T12] CR2: 0000558c147a9e08 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   10.091159][   T12] PKRU: 55555554
[   10.091246][   T12] Call Trace:
[   10.091332][   T12]  <TASK>
[   10.091392][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.091542][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.091687][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.091804][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.091947][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.092065][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.092188][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.092306][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.092438][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.092556][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.092676][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.092792][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.092906][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.093023][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.093145][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.093262][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.093380][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.093504][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.093629][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.093747][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.093861][   T12]  kthread (kernel/kthread.c:436)
[   10.093947][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.094099][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.094227][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.094344][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.094510][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.094632][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.094748][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.096804][   T12] ------------[ cut here ]------------
| [   10.096957][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   10.097197][   T12] Modules linked in: nf_tables
| [   10.097611][   T12] Tainted: [W]=WARN
[   10.097699][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.097843][   T12] Workqueue: netns cleanup_net
[   10.097964][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.098130][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.098568][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.098717][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd6040 RCX: 1ff4000000018eed
[   10.098899][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd60fc
[   10.099077][   T12] RBP: ff1100000a73c000 R08: 1fe2200001bfac21 R09: ff11000001aed1d0
[   10.099259][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.099436][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.099611][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.099811][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.099956][   T12] CR2: 00007fee8fb060c8 CR3: 000000000a975003 CR4: 0000000000771ef0
[   10.100137][   T12] PKRU: 55555554
[   10.100224][   T12] Call Trace:
[   10.100335][   T12]  <TASK>
[   10.100398][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.100549][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.100691][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.100807][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.100926][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.101043][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.101163][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.101281][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.101399][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.101513][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.101643][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.101758][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.101900][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.102046][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.102167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.102285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.102404][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.102517][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.102641][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.102762][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.102900][   T12]  kthread (kernel/kthread.c:436)
[   10.102987][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.103153][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.103270][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.103385][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.103533][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.103648][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.103764][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.105788][   T12] ------------[ cut here ]------------
| [   10.105911][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   10.106152][   T12] Modules linked in: nf_tables
| [   10.106543][   T12] Tainted: [W]=WARN
[   10.106632][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.106783][   T12] Workqueue: netns cleanup_net
[   10.106910][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.107058][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.108042][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.108197][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd6900 RCX: 1ff4000000018eed
[   10.108376][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd69bc
[   10.108560][   T12] RBP: ff110000093d4000 R08: 1fe2200001bfad39 R09: ff11000001aed1d0
[   10.108734][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.108906][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.109082][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.109315][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.109461][   T12] CR2: 00007fee8fb060c8 CR3: 000000000a975003 CR4: 0000000000771ef0
[   10.109642][   T12] PKRU: 55555554
[   10.109730][   T12] Call Trace:
[   10.109822][   T12]  <TASK>
[   10.109883][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.110031][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.110181][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.110298][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.110413][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.110533][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.110651][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.110772][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.110889][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.111004][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.111127][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.111243][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.111357][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.111480][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.111599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.111722][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.111842][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.111963][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.112084][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.112208][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.112324][   T12]  kthread (kernel/kthread.c:436)
[   10.112413][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.112561][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.112677][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.112792][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.112936][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.113052][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.113173][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.132619][   T12] ------------[ cut here ]------------
| [   10.132765][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   10.133010][   T12] Modules linked in: nf_tables
| [   10.133418][   T12] Tainted: [W]=WARN
[   10.133513][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.133695][   T12] Workqueue: netns cleanup_net
[   10.133827][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.133991][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.134456][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   10.134622][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd6ac0 RCX: 1ff4000000018eaf
[   10.134803][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd6b7c
[   10.135007][   T12] RBP: ff110000021f1000 R08: 1fe2200001bfad71 R09: ff11000001aed1d0
[   10.135195][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   10.135375][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000911c000
[   10.135572][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.135791][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.135949][   T12] CR2: 00007fee8fb060c8 CR3: 000000000a975003 CR4: 0000000000771ef0
[   10.136138][   T12] PKRU: 55555554
[   10.136254][   T12] Call Trace:
[   10.136346][   T12]  <TASK>
[   10.136410][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.136539][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.136662][   T12]  netif_close_many (net/core/dev.c:1804)
[   10.136784][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.136904][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.137027][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.137155][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   10.137296][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.137456][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.137656][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.137783][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.137937][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.138061][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.138230][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.138355][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.138478][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.138606][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.138729][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.138852][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.138995][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.139315][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.139447][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.139572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.139696][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.139818][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.139968][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.140131][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.140286][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.140420][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.140556][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.140678][   T12]  kthread (kernel/kthread.c:436)
[   10.140773][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.140956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.141077][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.141206][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.141381][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.141509][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.141637][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.143408][   T12] ------------[ cut here ]------------
| [   10.143546][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   10.143785][   T12] Modules linked in: nf_tables
| [   10.144659][   T12] Tainted: [W]=WARN
[   10.144798][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.144958][   T12] Workqueue: netns cleanup_net
[   10.145086][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.145301][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.145764][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   10.145920][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd6e40 RCX: 1ff4000000018eaf
[   10.146160][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd6efc
[   10.146354][   T12] RBP: ff1100000911c000 R08: 1fe2200001bfade1 R09: ff11000001aed1d0
[   10.146545][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   10.146745][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   10.146978][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.147243][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.147396][   T12] CR2: 00007fee8fb060c8 CR3: 000000000a975003 CR4: 0000000000771ef0
[   10.147585][   T12] PKRU: 55555554
[   10.147676][   T12] Call Trace:
[   10.147768][   T12]  <TASK>
[   10.147832][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.147957][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.148081][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.148228][   T12]  netif_close_many (net/core/dev.c:1804)
[   10.148352][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.148473][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.148605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.148732][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   10.148859][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.149010][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.149212][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.149352][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.149505][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.149632][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.149758][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.149881][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.150003][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.150176][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.150316][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.150440][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.150564][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.150689][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.150812][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.150933][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.151056][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.151228][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.151352][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.151477][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.151604][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.151731][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.151857][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.151977][   T12]  kthread (kernel/kthread.c:436)
[   10.152069][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.152277][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.152406][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.152537][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.152690][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.152815][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.152939][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.155450][   T12] ------------[ cut here ]------------
| [   10.155604][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   10.155845][   T12] Modules linked in: nf_tables
| [   10.156259][   T12] Tainted: [W]=WARN
[   10.156350][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.156503][   T12] Workqueue: netns cleanup_net
[   10.156663][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.156829][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.157266][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   10.157416][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e555700 RCX: 1ff4000000018ed5
[   10.157604][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5557bc
[   10.157795][   T12] RBP: ff110000021f1000 R08: 1fe2200001caaaf9 R09: ff11000001aed1d0
[   10.157973][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.158160][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.158369][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   10.158586][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.158732][   T12] CR2: 0000558c147a9e08 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   10.158908][   T12] PKRU: 55555554
[   10.158996][   T12] Call Trace:
[   10.159085][   T12]  <TASK>
[   10.159155][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.159310][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.159485][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.159609][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.159731][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.159852][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.159971][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.160090][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.160261][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.160400][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.160528][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.160653][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.160770][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.160886][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.161005][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.161130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.161248][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.161381][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.161503][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.161634][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.161762][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.161887][   T12]  kthread (kernel/kthread.c:436)
[   10.161989][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.162150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.162268][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.162403][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.162563][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.162687][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.162830][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.165134][   T12] ------------[ cut here ]------------
| [   10.165267][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   10.165497][   T12] Modules linked in: nf_tables
| [   10.165888][   T12] Tainted: [W]=WARN
[   10.165977][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.166343][   T12] Workqueue: netns cleanup_net
[   10.166543][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.166734][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.167188][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   10.167520][   T12] RAX: 00000000ffffffa6 RBX: ff1100000debc040 RCX: 1ff4000000018ed5
[   10.167709][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000debc0fc
[   10.167890][   T12] RBP: ff11000010149000 R08: 1fe2200001bd7821 R09: ff11000001aed1d0
[   10.168067][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.168247][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.168421][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   10.168666][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.168820][   T12] CR2: 0000558c147a9e08 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   10.169010][   T12] PKRU: 55555554
[   10.169107][   T12] Call Trace:
[   10.169198][   T12]  <TASK>
[   10.169262][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.169414][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.169588][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.169708][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.169836][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.169957][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.170075][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.170196][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.170314][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.170434][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.170555][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.170676][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.170794][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.170912][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.171042][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.171165][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.171285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.171407][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.171528][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.171651][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.171773][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.171895][   T12]  kthread (kernel/kthread.c:436)
[   10.171984][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.172135][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.172257][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.172379][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.172532][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.172668][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.172786][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.175324][   T12] ------------[ cut here ]------------
| [   10.175463][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   10.175697][   T12] Modules linked in: nf_tables
| [   10.176110][   T12] Tainted: [W]=WARN
[   10.176204][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.176352][   T12] Workqueue: netns cleanup_net
[   10.176474][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.176634][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.177061][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   10.177215][   T12] RAX: 00000000ffffffa6 RBX: ff1100000debcc80 RCX: 1ff4000000018ed5
[   10.177390][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000debcd3c
[   10.177568][   T12] RBP: ff1100000911c000 R08: 1fe2200001bd79a9 R09: ff11000001aed1d0
[   10.177743][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.177942][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.178125][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   10.178338][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.178486][   T12] CR2: 0000558c147a9e08 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   10.178667][   T12] PKRU: 55555554
[   10.178754][   T12] Call Trace:
[   10.178842][   T12]  <TASK>
[   10.178902][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.179053][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.179203][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.179320][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.179451][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.179578][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.179696][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.179814][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.179933][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.180053][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.180178][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.180298][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.180420][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.180549][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.180673][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.180791][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.180910][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.181031][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.181194][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.181317][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.181439][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.181613][   T12]  kthread (kernel/kthread.c:436)
[   10.181703][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.181849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.181967][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.182087][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.182240][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.182360][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.182478][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.240265][  T225] ------------[ cut here ]------------
| [   10.240476][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/225
| [   10.240805][  T225] Modules linked in: nf_tables
| [   10.241248][  T225] Tainted: [W]=WARN
[   10.241349][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.241517][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.241697][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.242762][  T225] RSP: 0018:ffa0000000617a80 EFLAGS: 00010286
[   10.242930][  T225] RAX: 00000000ffffffa6 RBX: ff11000009442900 RCX: 1ff40000000c2f16
[   10.243135][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094429bc
[   10.243332][  T225] RBP: ff11000007821000 R08: 1fe2200001288539 R09: ff11000009648b80
[   10.243533][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.243732][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007821000
[   10.243932][  T225] FS:  00007eff56a14840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.244170][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.244336][  T225] CR2: 00007eff56c20690 CR3: 000000000a950005 CR4: 0000000000771ef0
[   10.244539][  T225] PKRU: 55555554
[   10.244808][  T225] Call Trace:
[   10.244907][  T225]  <TASK>
[   10.244975][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.245110][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.245244][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.245345][  T225]  register_netdevice (net/core/dev.c:11488)
[   10.245481][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.245678][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.245810][  T225]  register_netdev (net/core/dev.c:11552)
[   10.245940][  T225]  loopback_net_init (drivers/net/loopback.c:218)
[   10.246073][  T225]  ops_init (net/core/net_namespace.c:137)
[   10.246175][  T225]  setup_net (net/core/net_namespace.c:446)
[   10.246275][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.246403][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.246538][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.246670][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   10.246802][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.246936][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.247066][  T225]  ksys_unshare (kernel/fork.c:3243)
[   10.247201][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.247331][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.247463][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.247601][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   10.247731][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.247860][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.247990][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.248128][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.248257][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.248387][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.248553][  T225] RIP: 0033:0x7eff56cd6bcb
[   10.248691][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.249159][  T225] RSP: 002b:00007ffcd6e31dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.249373][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007eff56cd6bcb
[   10.249633][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.249826][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.250021][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd6e33ff0
[   10.250243][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd6e34868
| [   10.254482][  T225] ------------[ cut here ]------------
| [   10.254630][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/225
| [   10.254856][  T225] Modules linked in: nf_tables
| [   10.255255][  T225] Tainted: [W]=WARN
[   10.255353][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.255515][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.255690][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.256153][  T225] RSP: 0018:ffa0000000617918 EFLAGS: 00010286
[   10.256317][  T225] RAX: 00000000ffffffa6 RBX: ff1100000c26b380 RCX: 1ff40000000c2ee9
[   10.256511][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c26b43c
[   10.256709][  T225] RBP: ff1100000fc39000 R08: 1fe220000184d689 R09: ff11000009648b80
[   10.256902][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.257100][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc39000
[   10.257296][  T225] FS:  00007eff56a14840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.257521][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.257688][  T225] CR2: 00007eff56c20690 CR3: 000000000a950005 CR4: 0000000000771ef0
[   10.257884][  T225] PKRU: 55555554
[   10.257980][  T225] Call Trace:
[   10.258076][  T225]  <TASK>
[   10.258147][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.258280][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.258410][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.258508][  T225]  register_netdevice (net/core/dev.c:11488)
[   10.258681][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.258842][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.258975][  T225]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.259108][  T225]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.259240][  T225]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.259370][  T225]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.259500][  T225]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.259635][  T225]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.259766][  T225]  ops_init (net/core/net_namespace.c:137)
[   10.259865][  T225]  setup_net (net/core/net_namespace.c:446)
[   10.259963][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.260092][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.260226][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.260357][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   10.260487][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.260627][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.260758][  T225]  ksys_unshare (kernel/fork.c:3243)
[   10.260886][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.261067][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.261203][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.261334][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   10.261466][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.261601][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.261730][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.261860][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.261990][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.262128][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.262287][  T225] RIP: 0033:0x7eff56cd6bcb
[   10.262422][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.262887][  T225] RSP: 002b:00007ffcd6e31dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.263085][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007eff56cd6bcb
[   10.263281][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.263474][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.263671][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd6e33ff0
[   10.263869][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd6e34868
| [   10.267627][  T225] ------------[ cut here ]------------
| [   10.267787][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/225
| [   10.268023][  T225] Modules linked in: nf_tables
| [   10.268479][  T225] Tainted: [W]=WARN
[   10.268587][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.268752][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.268924][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.269392][  T225] RSP: 0018:ffa00000006178f8 EFLAGS: 00010286
[   10.269565][  T225] RAX: 00000000ffffffa6 RBX: ff1100000c26a3c0 RCX: 1ff40000000c2ee5
[   10.269765][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c26a47c
[   10.269960][  T225] RBP: ff1100000fc31000 R08: 1fe220000184d491 R09: ff11000009648b80
[   10.270161][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.270356][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc31000
[   10.270559][  T225] FS:  00007eff56a14840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.270788][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.270952][  T225] CR2: 00007eff56c20690 CR3: 000000000a950005 CR4: 0000000000771ef0
[   10.271153][  T225] PKRU: 55555554
[   10.271251][  T225] Call Trace:
[   10.271348][  T225]  <TASK>
[   10.271416][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.271553][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.271684][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.271784][  T225]  register_netdevice (net/core/dev.c:11488)
[   10.271917][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.272086][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.272221][  T225]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.272351][  T225]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.272483][  T225]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.272623][  T225]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.272754][  T225]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.272887][  T225]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.273018][  T225]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.273156][  T225]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.273287][  T225]  ops_init (net/core/net_namespace.c:137)
[   10.273388][  T225]  setup_net (net/core/net_namespace.c:446)
[   10.273491][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.273630][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.273762][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.273896][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   10.274029][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.274168][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.274302][  T225]  ksys_unshare (kernel/fork.c:3243)
[   10.274439][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.274581][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.274719][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.274854][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   10.274986][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.275124][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.275255][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.275387][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.275516][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.275651][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.275814][  T225] RIP: 0033:0x7eff56cd6bcb
[   10.275951][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.276422][  T225] RSP: 002b:00007ffcd6e31dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.276655][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007eff56cd6bcb
[   10.276861][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.277056][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.277260][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd6e33ff0
[   10.277456][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd6e34868
| [   10.286311][  T225] ------------[ cut here ]------------
| [   10.286497][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/225
| [   10.286732][  T225] Modules linked in: nf_tables
| [   10.287144][  T225] Tainted: [W]=WARN
[   10.287245][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.287406][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.287579][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.288040][  T225] RSP: 0018:ffa0000000617a78 EFLAGS: 00010286
[   10.288211][  T225] RAX: 00000000ffffffa6 RBX: ff11000009443540 RCX: 1ff40000000c2f15
[   10.288403][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094435fc
[   10.288601][  T225] RBP: ff1100000a691000 R08: 1fe22000012886c1 R09: ff11000009648b80
[   10.288793][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.288989][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a691000
[   10.289187][  T225] FS:  00007eff56a14840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.289414][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.289585][  T225] CR2: 00007eff56c20690 CR3: 000000000a950005 CR4: 0000000000771ef0
[   10.289782][  T225] PKRU: 55555554
[   10.289880][  T225] Call Trace:
[   10.289976][  T225]  <TASK>
[   10.290043][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.290177][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.290306][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.290406][  T225]  register_netdevice (net/core/dev.c:11488)
[   10.290541][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.290704][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.290837][  T225]  register_netdev (net/core/dev.c:11552)
[   10.290968][  T225]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.291109][  T225]  ops_init (net/core/net_namespace.c:137)
[   10.291210][  T225]  setup_net (net/core/net_namespace.c:446)
[   10.291308][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.291436][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.291569][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.291700][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   10.291830][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.291962][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.292093][  T225]  ksys_unshare (kernel/fork.c:3243)
[   10.292228][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.292359][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.292492][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.292627][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   10.292758][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.292887][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.293017][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.293151][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.293280][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.293410][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.293578][  T225] RIP: 0033:0x7eff56cd6bcb
[   10.293713][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.294178][  T225] RSP: 002b:00007ffcd6e31dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.294376][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007eff56cd6bcb
[   10.294573][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.294764][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.294957][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd6e33ff0
[   10.295163][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd6e34868
| [   10.300281][  T225] ------------[ cut here ]------------
| [   10.300436][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/225
| [   10.300670][  T225] Modules linked in: nf_tables
| [   10.301118][  T225] Tainted: [W]=WARN
[   10.301217][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.301378][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.301550][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.302023][  T225] RSP: 0018:ffa0000000617a68 EFLAGS: 00010286
[   10.302195][  T225] RAX: 00000000ffffffa6 RBX: ff1100000a8a43c0 RCX: 1ff40000000c2f13
[   10.302390][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8a447c
[   10.302595][  T225] RBP: ff1100000fb01000 R08: 1fe2200001514891 R09: ff11000009648b80
[   10.302789][  T225] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.302982][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb01000
[   10.303184][  T225] FS:  00007eff56a14840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   10.303420][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.303590][  T225] CR2: 000055854ee36d5c CR3: 000000000a950005 CR4: 0000000000771ef0
[   10.303784][  T225] PKRU: 55555554
[   10.303881][  T225] Call Trace:
[   10.303978][  T225]  <TASK>
[   10.304046][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.304185][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.304319][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.304420][  T225]  register_netdevice (net/core/dev.c:11488)
[   10.304558][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.304723][  T225]  register_netdev (net/core/dev.c:11552)
[   10.304855][  T225]  sit_init_net (net/ipv6/sit.c:1860)
[   10.304986][  T225]  ops_init (net/core/net_namespace.c:137)
[   10.305087][  T225]  setup_net (net/core/net_namespace.c:446)
[   10.305195][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.305354][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.305487][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.305631][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   10.305761][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.305895][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.306026][  T225]  ksys_unshare (kernel/fork.c:3243)
[   10.306167][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.306298][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.306428][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.306564][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   10.306698][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.306854][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.306990][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.307134][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.307264][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.307395][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.307615][  T225] RIP: 0033:0x7eff56cd6bcb
[   10.307753][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.308231][  T225] RSP: 002b:00007ffcd6e31dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.308428][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007eff56cd6bcb
[   10.308629][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.308827][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.309022][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd6e33ff0
[   10.309221][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd6e34868
| [   10.313956][  T225] ------------[ cut here ]------------
| [   10.314091][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/225
| [   10.314322][  T225] Modules linked in: nf_tables
| [   10.314726][  T225] Tainted: [W]=WARN
[   10.314826][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.314987][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.315163][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.315638][  T225] RSP: 0018:ffa0000000617a78 EFLAGS: 00010286
[   10.315805][  T225] RAX: 00000000ffffffa6 RBX: ff1100000cf28900 RCX: 1ff40000000c2f15
[   10.316000][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf289bc
[   10.316199][  T225] RBP: ff1100000e6ac000 R08: 1fe22000019e5139 R09: ff11000009648b80
[   10.316393][  T225] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.316595][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6ac000
[   10.316791][  T225] FS:  00007eff56a14840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   10.317020][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.317188][  T225] CR2: 000055854ee36d5c CR3: 000000000a950005 CR4: 0000000000771ef0
[   10.317385][  T225] PKRU: 55555554
[   10.317485][  T225] Call Trace:
[   10.317588][  T225]  <TASK>
[   10.317656][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.317786][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.317916][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.318016][  T225]  register_netdevice (net/core/dev.c:11488)
[   10.318153][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.318314][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.318449][  T225]  register_netdev (net/core/dev.c:11552)
[   10.318585][  T225]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.318716][  T225]  ops_init (net/core/net_namespace.c:137)
[   10.318818][  T225]  setup_net (net/core/net_namespace.c:446)
[   10.318917][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.319046][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.319184][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.319319][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   10.319451][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.319590][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.319720][  T225]  ksys_unshare (kernel/fork.c:3243)
[   10.319850][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.319981][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.320118][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.320252][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   10.320385][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.320515][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.320651][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.320780][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.320909][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.321039][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.321206][  T225] RIP: 0033:0x7eff56cd6bcb
[   10.321344][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.321815][  T225] RSP: 002b:00007ffcd6e31dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.322011][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007eff56cd6bcb
[   10.322215][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.322420][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.322622][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd6e33ff0
[   10.322817][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd6e34868
| [   10.348318][  T226] ------------[ cut here ]------------
| [   10.348476][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/226
| [   10.348712][  T226] Modules linked in: nf_tables
| [   10.349130][  T226] Tainted: [W]=WARN
[   10.349228][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.349389][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.349565][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.350050][  T226] RSP: 0018:ffa00000004f7020 EFLAGS: 00010286
[   10.350219][  T226] RAX: 00000000ffffffa6 RBX: ff1100000b628580 RCX: 1ff400000009edca
[   10.350413][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b62863c
[   10.350613][  T226] RBP: ff11000007821000 R08: 1fe22000016c50c9 R09: ff110000100dae58
[   10.350812][  T226] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.351008][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.351243][  T226] FS:  00007fcc05187840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.351469][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.351635][  T226] CR2: 0000000005f73988 CR3: 000000000c25c001 CR4: 0000000000771ef0
[   10.351834][  T226] PKRU: 55555554
[   10.351933][  T226] Call Trace:
[   10.352030][  T226]  <TASK>
[   10.352103][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.352236][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.352335][  T226]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.352464][  T226]  __dev_notify_flags (net/core/dev.c:9787)
[   10.352601][  T226]  ? netif_change_name (net/core/dev.c:1495)
[   10.352733][  T226]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.352863][  T226]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.352993][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.353217][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.353349][  T226]  netif_change_flags (net/core/dev.c:9820)
[   10.353532][  T226]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.353730][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.353912][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.354045][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.354304][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.354437][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.354571][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.354700][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.354832][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.354962][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.355161][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.355367][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.355497][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.355631][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.355760][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.355891][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.356020][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.356217][  T226]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.356348][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.356478][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.356616][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.356748][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.356882][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.357016][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.357197][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.357327][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.357456][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.357592][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.357724][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.357854][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.357987][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.358123][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.358255][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.358386][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.358522][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.358662][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.358791][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.358923][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.359057][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.359198][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.359329][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.359457][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.359596][  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))
[   10.359730][  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))
[   10.359863][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.359994][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.360133][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.360287][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.360423][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.360560][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.360692][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.360822][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.360951][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.361118][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.361249][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.361379][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.361509][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.361644][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.361806][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.361947][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.362079][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.362212][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.362376][  T226]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.362507][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.362643][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.362773][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.362902][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.363030][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.363196][  T226] RIP: 0033:0x7fcc053c108e
[   10.363333][  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
[   10.363799][  T226] RSP: 002b:00007ffc27b88f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.363996][  T226] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcc053c108e
[   10.364193][  T226] RDX: 0000000000000000 RSI: 00007ffc27b89010 RDI: 0000000000000005
[   10.364387][  T226] RBP: 00007ffc27b88f70 R08: 0000000000000000 R09: 0000000000000000
[   10.364588][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddf9
[   10.364781][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc27b896e0
| [   10.493328][  T231] ------------[ cut here ]------------
| [   10.493509][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/231
| [   10.493759][  T231] Modules linked in: nf_tables
| [   10.494186][  T231] Tainted: [W]=WARN
[   10.494289][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.494457][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.494636][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.495118][  T231] RSP: 0018:ffa0000000677a80 EFLAGS: 00010286
[   10.495287][  T231] RAX: 00000000ffffffa6 RBX: ff1100000c80eac0 RCX: 1ff40000000cef16
[   10.495487][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c80eb7c
[   10.495688][  T231] RBP: ff1100000faa9000 R08: 1fe2200001901d71 R09: ff1100000a408b80
[   10.495890][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.496089][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000faa9000
[   10.496297][  T231] FS:  00007f92dd107840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.496536][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.496707][  T231] CR2: 00007f92dd3117d0 CR3: 0000000004e0f005 CR4: 0000000000771ef0
[   10.496909][  T231] PKRU: 55555554
[   10.497009][  T231] Call Trace:
[   10.497112][  T231]  <TASK>
[   10.497183][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.497320][  T231]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.497458][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.497568][  T231]  register_netdevice (net/core/dev.c:11488)
[   10.497704][  T231]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.497871][  T231]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.498007][  T231]  register_netdev (net/core/dev.c:11552)
[   10.498143][  T231]  loopback_net_init (drivers/net/loopback.c:218)
[   10.498279][  T231]  ops_init (net/core/net_namespace.c:137)
[   10.498380][  T231]  setup_net (net/core/net_namespace.c:446)
[   10.498482][  T231]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.498619][  T231]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.498754][  T231]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.498889][  T231]  copy_net_ns (net/core/net_namespace.c:579)
[   10.499023][  T231]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.499165][  T231]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.499302][  T231]  ksys_unshare (kernel/fork.c:3243)
[   10.499437][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.499572][  T231]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.499702][  T231]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.499831][  T231]  ? __ia32_sys_open (fs/open.c:1374)
[   10.499963][  T231]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.500092][  T231]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.500228][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.500358][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.500494][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.500638][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.500808][  T231] RIP: 0033:0x7f92dd3c9bcb
[   10.500944][  T231] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.501439][  T231] RSP: 002b:00007ffc3af93e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.501666][  T231] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f92dd3c9bcb
[   10.501862][  T231] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.502056][  T231] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.502258][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3af96090
[   10.502452][  T231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3af96868
| [   10.506674][  T231] ------------[ cut here ]------------
| [   10.506856][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/231
| [   10.507107][  T231] Modules linked in: nf_tables
| [   10.507501][  T231] Tainted: [W]=WARN
[   10.507604][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.507768][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.507935][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.508409][  T231] RSP: 0018:ffa0000000677918 EFLAGS: 00010286
[   10.508576][  T231] RAX: 00000000ffffffa6 RBX: ff1100000e54d540 RCX: 1ff40000000ceee9
[   10.508771][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e54d5fc
[   10.508995][  T231] RBP: ff1100000fa5c000 R08: 1fe2200001ca9ac1 R09: ff1100000a408b80
[   10.509199][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.509391][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa5c000
[   10.509623][  T231] FS:  00007f92dd107840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.509858][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.510019][  T231] CR2: 00007f92dd3117d0 CR3: 0000000004e0f005 CR4: 0000000000771ef0
[   10.510217][  T231] PKRU: 55555554
[   10.510314][  T231] Call Trace:
[   10.510411][  T231]  <TASK>
[   10.510479][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.510614][  T231]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.510743][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.510844][  T231]  register_netdevice (net/core/dev.c:11488)
[   10.510973][  T231]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.511138][  T231]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.511270][  T231]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.511400][  T231]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.511560][  T231]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.511690][  T231]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.511819][  T231]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.511952][  T231]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.512086][  T231]  ops_init (net/core/net_namespace.c:137)
[   10.512192][  T231]  setup_net (net/core/net_namespace.c:446)
[   10.512297][  T231]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.512429][  T231]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.512569][  T231]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.512700][  T231]  copy_net_ns (net/core/net_namespace.c:579)
[   10.512830][  T231]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.512963][  T231]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.513098][  T231]  ksys_unshare (kernel/fork.c:3243)
[   10.513231][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.513359][  T231]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.513487][  T231]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.513627][  T231]  ? __ia32_sys_open (fs/open.c:1374)
[   10.513766][  T231]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.513894][  T231]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.514022][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.514157][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.514287][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.514416][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.514579][  T231] RIP: 0033:0x7f92dd3c9bcb
[   10.514713][  T231] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.515187][  T231] RSP: 002b:00007ffc3af93e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.515380][  T231] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f92dd3c9bcb
[   10.515578][  T231] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.515771][  T231] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.515963][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3af96090
[   10.516159][  T231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3af96868
| [   10.519922][  T231] ------------[ cut here ]------------
| [   10.520073][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/231
| [   10.520306][  T231] Modules linked in: nf_tables
| [   10.520709][  T231] Tainted: [W]=WARN
[   10.520810][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.520982][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.521159][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.521630][  T231] RSP: 0018:ffa00000006778f8 EFLAGS: 00010286
[   10.521804][  T231] RAX: 00000000ffffffa6 RBX: ff1100000e54c580 RCX: 1ff40000000ceee5
[   10.522007][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e54c63c
[   10.522206][  T231] RBP: ff1100000ce54000 R08: 1fe2200001ca98c9 R09: ff1100000a408b80
[   10.522402][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.522604][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce54000
[   10.522807][  T231] FS:  00007f92dd107840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.523046][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.523222][  T231] CR2: 00007f92dd3117d0 CR3: 0000000004e0f005 CR4: 0000000000771ef0
[   10.523421][  T231] PKRU: 55555554
[   10.523519][  T231] Call Trace:
[   10.523624][  T231]  <TASK>
[   10.523692][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.523825][  T231]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.523963][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.524066][  T231]  register_netdevice (net/core/dev.c:11488)
[   10.524254][  T231]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.524422][  T231]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.524561][  T231]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.524692][  T231]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.524823][  T231]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.524955][  T231]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.525090][  T231]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.525240][  T231]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.525396][  T231]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.525536][  T231]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.525671][  T231]  ops_init (net/core/net_namespace.c:137)
[   10.525775][  T231]  setup_net (net/core/net_namespace.c:446)
[   10.525876][  T231]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.526009][  T231]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.526148][  T231]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.526285][  T231]  copy_net_ns (net/core/net_namespace.c:579)
[   10.526419][  T231]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.526560][  T231]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.526695][  T231]  ksys_unshare (kernel/fork.c:3243)
[   10.526826][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.526961][  T231]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.527109][  T231]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.527243][  T231]  ? __ia32_sys_open (fs/open.c:1374)
[   10.527375][  T231]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.527504][  T231]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.527638][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.527768][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.527899][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.528029][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.528196][  T231] RIP: 0033:0x7f92dd3c9bcb
[   10.528356][  T231] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.528826][  T231] RSP: 002b:00007ffc3af93e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.529037][  T231] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f92dd3c9bcb
[   10.529245][  T231] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.529442][  T231] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.529641][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3af96090
[   10.529834][  T231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3af96868
| [   10.539431][  T231] ------------[ cut here ]------------
| [   10.539586][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/231
| [   10.539817][  T231] Modules linked in: nf_tables
| [   10.540231][  T231] Tainted: [W]=WARN
[   10.540409][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.540579][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.540748][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.541237][  T231] RSP: 0018:ffa0000000677a78 EFLAGS: 00010286
[   10.541409][  T231] RAX: 00000000ffffffa6 RBX: ff1100000c80f700 RCX: 1ff40000000cef15
[   10.541631][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c80f7bc
[   10.541825][  T231] RBP: ff1100000cb14000 R08: 1fe2200001901ef9 R09: ff1100000a408b80
[   10.542020][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.542226][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cb14000
[   10.542443][  T231] FS:  00007f92dd107840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.542685][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.542846][  T231] CR2: 00007f92dd3117d0 CR3: 0000000004e0f005 CR4: 0000000000771ef0
[   10.543044][  T231] PKRU: 55555554
[   10.543144][  T231] Call Trace:
[   10.543243][  T231]  <TASK>
[   10.543310][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.543440][  T231]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.543577][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.543675][  T231]  register_netdevice (net/core/dev.c:11488)
[   10.543808][  T231]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.543968][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.544106][  T231]  register_netdev (net/core/dev.c:11552)
[   10.544263][  T231]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.544397][  T231]  ops_init (net/core/net_namespace.c:137)
[   10.544496][  T231]  setup_net (net/core/net_namespace.c:446)
[   10.544597][  T231]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.544726][  T231]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.544860][  T231]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.544996][  T231]  copy_net_ns (net/core/net_namespace.c:579)
[   10.545135][  T231]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.545267][  T231]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.545398][  T231]  ksys_unshare (kernel/fork.c:3243)
[   10.545532][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.545664][  T231]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.545799][  T231]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.545933][  T231]  ? __ia32_sys_open (fs/open.c:1374)
[   10.546066][  T231]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.546199][  T231]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.546328][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.546458][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.546595][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.546732][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.546894][  T231] RIP: 0033:0x7f92dd3c9bcb
[   10.547029][  T231] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.547505][  T231] RSP: 002b:00007ffc3af93e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.547710][  T231] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f92dd3c9bcb
[   10.547903][  T231] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.548101][  T231] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.548300][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3af96090
[   10.548509][  T231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3af96868
| [   10.552605][  T231] ------------[ cut here ]------------
| [   10.552756][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/231
| [   10.552987][  T231] Modules linked in: nf_tables
| [   10.553400][  T231] Tainted: [W]=WARN
[   10.553498][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.553666][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.553836][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.554305][  T231] RSP: 0018:ffa0000000677a68 EFLAGS: 00010286
[   10.554475][  T231] RAX: 00000000ffffffa6 RBX: ff1100000e4ce740 RCX: 1ff40000000cef13
[   10.554679][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4ce7fc
[   10.554873][  T231] RBP: ff11000007c79000 R08: 1fe2200001c99d01 R09: ff1100000a408b80
[   10.555066][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.555292][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007c79000
[   10.555487][  T231] FS:  00007f92dd107840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.555724][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.555889][  T231] CR2: 00007f92dd3117d0 CR3: 0000000004e0f005 CR4: 0000000000771ef0
[   10.556086][  T231] PKRU: 55555554
[   10.556188][  T231] Call Trace:
[   10.556286][  T231]  <TASK>
[   10.556354][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.556487][  T231]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.556622][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.556722][  T231]  register_netdevice (net/core/dev.c:11488)
[   10.556855][  T231]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.557025][  T231]  register_netdev (net/core/dev.c:11552)
[   10.557165][  T231]  sit_init_net (net/ipv6/sit.c:1860)
[   10.557298][  T231]  ops_init (net/core/net_namespace.c:137)
[   10.557399][  T231]  setup_net (net/core/net_namespace.c:446)
[   10.557498][  T231]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.557632][  T231]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.557762][  T231]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.557894][  T231]  copy_net_ns (net/core/net_namespace.c:579)
[   10.558024][  T231]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.558163][  T231]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.558301][  T231]  ksys_unshare (kernel/fork.c:3243)
[   10.558434][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.558568][  T231]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.558697][  T231]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.558829][  T231]  ? __ia32_sys_open (fs/open.c:1374)
[   10.558962][  T231]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.559092][  T231]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.559227][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.559359][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.559488][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.559624][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.559793][  T231] RIP: 0033:0x7f92dd3c9bcb
[   10.559951][  T231] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.560434][  T231] RSP: 002b:00007ffc3af93e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.560671][  T231] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f92dd3c9bcb
[   10.560863][  T231] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.561062][  T231] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.561265][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3af96090
[   10.561471][  T231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3af96868
| [   10.566086][  T231] ------------[ cut here ]------------
| [   10.566230][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/231
| [   10.566456][  T231] Modules linked in: nf_tables
| [   10.566860][  T231] Tainted: [W]=WARN
[   10.566960][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.567130][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.567300][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.567767][  T231] RSP: 0018:ffa0000000677a78 EFLAGS: 00010286
[   10.567933][  T231] RAX: 00000000ffffffa6 RBX: ff1100000d092c80 RCX: 1ff40000000cef15
[   10.568136][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d092d3c
[   10.568336][  T231] RBP: ff110000099ec000 R08: 1fe2200001a125a9 R09: ff1100000a408b80
[   10.568534][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.568728][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000099ec000
[   10.568925][  T231] FS:  00007f92dd107840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.569161][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.569323][  T231] CR2: 00007f92dd3117d0 CR3: 0000000004e0f005 CR4: 0000000000771ef0
[   10.569519][  T231] PKRU: 55555554
[   10.569672][  T231] Call Trace:
[   10.569776][  T231]  <TASK>
[   10.569845][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.569979][  T231]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.570114][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.570214][  T231]  register_netdevice (net/core/dev.c:11488)
[   10.570349][  T231]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.570510][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.570650][  T231]  register_netdev (net/core/dev.c:11552)
[   10.570783][  T231]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.570919][  T231]  ops_init (net/core/net_namespace.c:137)
[   10.571022][  T231]  setup_net (net/core/net_namespace.c:446)
[   10.571130][  T231]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.571264][  T231]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.571395][  T231]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.571535][  T231]  copy_net_ns (net/core/net_namespace.c:579)
[   10.571666][  T231]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.571797][  T231]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.571928][  T231]  ksys_unshare (kernel/fork.c:3243)
[   10.572056][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.572190][  T231]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.572322][  T231]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.572453][  T231]  ? __ia32_sys_open (fs/open.c:1374)
[   10.572589][  T231]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.572717][  T231]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.572846][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.572974][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.573255][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.573383][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.573564][  T231] RIP: 0033:0x7f92dd3c9bcb
[   10.573700][  T231] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.574160][  T231] RSP: 002b:00007ffc3af93e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.574382][  T231] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f92dd3c9bcb
[   10.574603][  T231] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.574798][  T231] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.574991][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3af96090
[   10.575192][  T231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3af96868
| [   10.605505][  T232] ------------[ cut here ]------------
| [   10.605689][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   10.605924][  T232] Modules linked in: nf_tables
| [   10.606328][  T232] Tainted: [W]=WARN
[   10.606426][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.606595][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.606764][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.607261][  T232] RSP: 0018:ffa0000000687020 EFLAGS: 00010286
[   10.607422][  T232] RAX: 00000000ffffffa6 RBX: ff1100000cf28040 RCX: 1ff40000000d0dca
[   10.607829][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf280fc
[   10.608032][  T232] RBP: ff1100000faa9000 R08: 1fe22000019e5021 R09: ff1100000a40ae58
[   10.608228][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.608417][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.608626][  T232] FS:  00007faca650e840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   10.608851][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.609015][  T232] CR2: 000000002cd4a988 CR3: 0000000004ea2004 CR4: 0000000000771ef0
[   10.609219][  T232] PKRU: 55555554
[   10.609316][  T232] Call Trace:
[   10.609413][  T232]  <TASK>
[   10.609483][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.609623][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.609721][  T232]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.609853][  T232]  __dev_notify_flags (net/core/dev.c:9787)
[   10.609988][  T232]  ? netif_change_name (net/core/dev.c:1495)
[   10.610123][  T232]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.610256][  T232]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.610389][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.610522][  T232]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.610662][  T232]  netif_change_flags (net/core/dev.c:9820)
[   10.610797][  T232]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.610930][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.611061][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.611197][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.611358][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.611486][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.611620][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.611750][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.611881][  T232]  ? __kernel_text_address (kernel/extable.c:79)
[   10.612012][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.612458][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.612595][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.612726][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.612855][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.612984][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.613214][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.613346][  T232]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.613475][  T232]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.613614][  T232]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.613747][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.613877][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.614007][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.614213][  T232]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.614345][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.614477][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.614697][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.614825][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.614954][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.615085][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.615297][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.615431][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.615711][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.615845][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.615978][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.616194][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.616328][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.616457][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.616593][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.616720][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.616849][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.616981][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.617169][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.617301][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.617434][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.617573][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.617706][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.617835][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.617964][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.618093][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.618307][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.618439][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.618579][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.618715][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.618877][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.619012][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.619154][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.619283][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.619410][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.619574][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.619715][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.619845][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.619972][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.620142][  T232]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.620274][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.620409][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.620548][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.620678][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.620815][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.620974][  T232] RIP: 0033:0x7faca674808e
[   10.621118][  T232] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.621590][  T232] RSP: 002b:00007ffe3c866720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.621784][  T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faca674808e
[   10.621974][  T232] RDX: 0000000000000000 RSI: 00007ffe3c8667d0 RDI: 0000000000000005
[   10.622174][  T232] RBP: 00007ffe3c866730 R08: 0000000000000000 R09: 0000000000000000
[   10.622374][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddf9
[   10.622575][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3c866ea0
| [   10.752884][  T237] ------------[ cut here ]------------
| [   10.753060][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   10.753325][  T237] Modules linked in: nf_tables
| [   10.753733][  T237] Tainted: [W]=WARN
[   10.753831][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.753995][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.754168][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.754629][  T237] RSP: 0018:ffa00000006e7a80 EFLAGS: 00010286
[   10.754792][  T237] RAX: 00000000ffffffa6 RBX: ff1100000e4ce900 RCX: 1ff40000000dcf16
[   10.754988][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4ce9bc
[   10.755185][  T237] RBP: ff110000084e1000 R08: 1fe2200001c99d39 R09: ff1100000edb5180
[   10.755379][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.755578][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000084e1000
[   10.755775][  T237] FS:  00007f922f7b9840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.756005][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.756173][  T237] CR2: 00007f922f9bac20 CR3: 0000000004e5c003 CR4: 0000000000771ef0
[   10.757601][  T237] PKRU: 55555554
[   10.757700][  T237] Call Trace:
[   10.757798][  T237]  <TASK>
[   10.757869][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.758021][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.758290][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.758399][  T237]  register_netdevice (net/core/dev.c:11488)
[   10.758538][  T237]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.758701][  T237]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.758834][  T237]  register_netdev (net/core/dev.c:11552)
[   10.758967][  T237]  loopback_net_init (drivers/net/loopback.c:218)
[   10.759104][  T237]  ops_init (net/core/net_namespace.c:137)
[   10.759205][  T237]  setup_net (net/core/net_namespace.c:446)
[   10.759304][  T237]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.759433][  T237]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.759570][  T237]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.759703][  T237]  copy_net_ns (net/core/net_namespace.c:579)
[   10.759837][  T237]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.759970][  T237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.760108][  T237]  ksys_unshare (kernel/fork.c:3243)
[   10.760250][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.760379][  T237]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.760509][  T237]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.760647][  T237]  ? __ia32_sys_open (fs/open.c:1374)
[   10.760780][  T237]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.760910][  T237]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.761039][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.761172][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.761303][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.761432][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.761597][  T237] RIP: 0033:0x7f922fa7bbcb
[   10.761732][  T237] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.762209][  T237] RSP: 002b:00007ffdffdb9fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.762416][  T237] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f922fa7bbcb
[   10.762622][  T237] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.762816][  T237] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.763007][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdffdbc1f0
[   10.763202][  T237] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdffdbd868
| [   10.767355][  T237] ------------[ cut here ]------------
| [   10.767502][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   10.767730][  T237] Modules linked in: nf_tables
| [   10.768128][  T237] Tainted: [W]=WARN
[   10.768226][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.768387][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.768560][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.769022][  T237] RSP: 0018:ffa00000006e7918 EFLAGS: 00010286
[   10.769190][  T237] RAX: 00000000ffffffa6 RBX: ff1100000dd86ac0 RCX: 1ff40000000dcee9
[   10.769382][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd86b7c
[   10.769581][  T237] RBP: ff1100000f909000 R08: 1fe2200001bb0d71 R09: ff1100000edb5180
[   10.769775][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.769967][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f909000
[   10.770169][  T237] FS:  00007f922f7b9840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.770397][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.770563][  T237] CR2: 00007f922f9bac20 CR3: 0000000004e5c003 CR4: 0000000000771ef0
[   10.770758][  T237] PKRU: 55555554
[   10.770856][  T237] Call Trace:
[   10.770952][  T237]  <TASK>
[   10.771033][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.771170][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.771299][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.771397][  T237]  register_netdevice (net/core/dev.c:11488)
[   10.771531][  T237]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.771692][  T237]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.771824][  T237]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.771954][  T237]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.772083][  T237]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.772219][  T237]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.772351][  T237]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.772481][  T237]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.772665][  T237]  ops_init (net/core/net_namespace.c:137)
[   10.772770][  T237]  setup_net (net/core/net_namespace.c:446)
[   10.772870][  T237]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.772999][  T237]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.773133][  T237]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.773265][  T237]  copy_net_ns (net/core/net_namespace.c:579)
[   10.773398][  T237]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.773534][  T237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.773663][  T237]  ksys_unshare (kernel/fork.c:3243)
[   10.773790][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.773922][  T237]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.774053][  T237]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.774189][  T237]  ? __ia32_sys_open (fs/open.c:1374)
[   10.774322][  T237]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.774451][  T237]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.774585][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.774715][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.774844][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.774979][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.775142][  T237] RIP: 0033:0x7f922fa7bbcb
[   10.775278][  T237] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.775744][  T237] RSP: 002b:00007ffdffdb9fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.775939][  T237] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f922fa7bbcb
[   10.776141][  T237] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.776335][  T237] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.776529][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdffdbc1f0
[   10.776722][  T237] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdffdbd868
| [   10.780507][  T237] ------------[ cut here ]------------
| [   10.780641][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   10.780868][  T237] Modules linked in: nf_tables
| [   10.781299][  T237] Tainted: [W]=WARN
[   10.781398][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.781566][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.781740][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.782218][  T237] RSP: 0018:ffa00000006e78f8 EFLAGS: 00010286
[   10.782384][  T237] RAX: 00000000ffffffa6 RBX: ff1100000947da80 RCX: 1ff40000000dcee5
[   10.782589][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947db3c
[   10.782786][  T237] RBP: ff1100000f979000 R08: 1fe220000128fb69 R09: ff1100000edb5180
[   10.782987][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.783189][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f979000
[   10.783389][  T237] FS:  00007f922f7b9840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.783625][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.783792][  T237] CR2: 00007f922f9bac20 CR3: 0000000004e5c003 CR4: 0000000000771ef0
[   10.783991][  T237] PKRU: 55555554
[   10.784089][  T237] Call Trace:
[   10.784193][  T237]  <TASK>
[   10.784262][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.784397][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.784534][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.784653][  T237]  register_netdevice (net/core/dev.c:11488)
[   10.784788][  T237]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.784955][  T237]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.785089][  T237]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.785226][  T237]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.785358][  T237]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.785492][  T237]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.785627][  T237]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.785760][  T237]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.785892][  T237]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.786026][  T237]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.786164][  T237]  ops_init (net/core/net_namespace.c:137)
[   10.786264][  T237]  setup_net (net/core/net_namespace.c:446)
[   10.786364][  T237]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.786495][  T237]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.786633][  T237]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.786767][  T237]  copy_net_ns (net/core/net_namespace.c:579)
[   10.786899][  T237]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.787033][  T237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.787170][  T237]  ksys_unshare (kernel/fork.c:3243)
[   10.787301][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.787432][  T237]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.787569][  T237]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.787702][  T237]  ? __ia32_sys_open (fs/open.c:1374)
[   10.787837][  T237]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.787968][  T237]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.788105][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.788235][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.788366][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.788496][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.788665][  T237] RIP: 0033:0x7f922fa7bbcb
[   10.788801][  T237] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.789272][  T237] RSP: 002b:00007ffdffdb9fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.789478][  T237] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f922fa7bbcb
[   10.789761][  T237] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.789983][  T237] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.790185][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdffdbc1f0
[   10.790378][  T237] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdffdbd868
| [   10.796602][  T237] ------------[ cut here ]------------
| [   10.796755][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   10.796981][  T237] Modules linked in: nf_tables
| [   10.797383][  T237] Tainted: [W]=WARN
[   10.797480][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.798519][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.798719][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.799196][  T237] RSP: 0018:ffa00000006e7a78 EFLAGS: 00010286
[   10.799361][  T237] RAX: 00000000ffffffa6 RBX: ff1100000947cc80 RCX: 1ff40000000dcf15
[   10.799561][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947cd3c
[   10.799757][  T237] RBP: ff1100000f959000 R08: 1fe220000128f9a9 R09: ff1100000edb5180
[   10.799957][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.800163][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f959000
[   10.800364][  T237] FS:  00007f922f7b9840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.800606][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.800768][  T237] CR2: 00007f922f9bac20 CR3: 0000000004e5c003 CR4: 0000000000771ef0
[   10.800962][  T237] PKRU: 55555554
[   10.801059][  T237] Call Trace:
[   10.801161][  T237]  <TASK>
[   10.801230][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.801359][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.801488][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.801594][  T237]  register_netdevice (net/core/dev.c:11488)
[   10.801725][  T237]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.801886][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.802018][  T237]  register_netdev (net/core/dev.c:11552)
[   10.802210][  T237]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.802341][  T237]  ops_init (net/core/net_namespace.c:137)
[   10.802440][  T237]  setup_net (net/core/net_namespace.c:446)
[   10.802542][  T237]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.802672][  T237]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.802802][  T237]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.802935][  T237]  copy_net_ns (net/core/net_namespace.c:579)
[   10.803068][  T237]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.803256][  T237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.803442][  T237]  ksys_unshare (kernel/fork.c:3243)
[   10.803575][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.803705][  T237]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.803836][  T237]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.803998][  T237]  ? __ia32_sys_open (fs/open.c:1374)
[   10.804191][  T237]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.804320][  T237]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.804449][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.804585][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.804715][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.804846][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.805008][  T237] RIP: 0033:0x7f922fa7bbcb
[   10.805200][  T237] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.805700][  T237] RSP: 002b:00007ffdffdb9fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.805896][  T237] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f922fa7bbcb
[   10.806089][  T237] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.806337][  T237] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.806534][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdffdbc1f0
[   10.806729][  T237] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdffdbd868
| [   10.811437][  T237] ------------[ cut here ]------------
| [   10.811596][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   10.811828][  T237] Modules linked in: nf_tables
| [   10.812241][  T237] Tainted: [W]=WARN
[   10.812338][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.812498][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.812673][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.813144][  T237] RSP: 0018:ffa00000006e7a68 EFLAGS: 00010286
[   10.813307][  T237] RAX: 00000000ffffffa6 RBX: ff1100000dd87c40 RCX: 1ff40000000dcf13
[   10.813499][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd87cfc
[   10.813704][  T237] RBP: ff1100000f8b4000 R08: 1fe2200001bb0fa1 R09: ff1100000edb5180
[   10.813899][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.814090][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8b4000
[   10.814289][  T237] FS:  00007f922f7b9840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.814521][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.814706][  T237] CR2: 00007f922f9bac20 CR3: 0000000004e5c003 CR4: 0000000000771ef0
[   10.814901][  T237] PKRU: 55555554
[   10.814998][  T237] Call Trace:
[   10.815099][  T237]  <TASK>
[   10.815166][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.815297][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.815427][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.815532][  T237]  register_netdevice (net/core/dev.c:11488)
[   10.815663][  T237]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.815831][  T237]  register_netdev (net/core/dev.c:11552)
[   10.815965][  T237]  sit_init_net (net/ipv6/sit.c:1860)
[   10.816100][  T237]  ops_init (net/core/net_namespace.c:137)
[   10.816199][  T237]  setup_net (net/core/net_namespace.c:446)
[   10.816296][  T237]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.816424][  T237]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.816558][  T237]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.816696][  T237]  copy_net_ns (net/core/net_namespace.c:579)
[   10.816831][  T237]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.816972][  T237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.817107][  T237]  ksys_unshare (kernel/fork.c:3243)
[   10.817236][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.817367][  T237]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.817502][  T237]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.817637][  T237]  ? __ia32_sys_open (fs/open.c:1374)
[   10.817768][  T237]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.817895][  T237]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.818023][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.818659][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.818790][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.818920][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.819081][  T237] RIP: 0033:0x7f922fa7bbcb
[   10.819283][  T237] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.819746][  T237] RSP: 002b:00007ffdffdb9fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.819947][  T237] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f922fa7bbcb
[   10.820198][  T237] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.820445][  T237] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.820643][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdffdbc1f0
[   10.820839][  T237] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdffdbd868
| [   10.832378][  T237] ------------[ cut here ]------------
| [   10.832560][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   10.832798][  T237] Modules linked in: nf_tables
| [   10.833204][  T237] Tainted: [W]=WARN
[   10.833301][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.833460][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.833636][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.834103][  T237] RSP: 0018:ffa00000006e7a78 EFLAGS: 00010286
[   10.834265][  T237] RAX: 00000000ffffffa6 RBX: ff1100000daa0200 RCX: 1ff40000000dcf15
[   10.834460][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa02bc
[   10.834665][  T237] RBP: ff11000009951000 R08: 1fe2200001b54059 R09: ff1100000edb5180
[   10.834860][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.835052][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009951000
[   10.835252][  T237] FS:  00007f922f7b9840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   10.835486][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.835691][  T237] CR2: 00007f922f9bac20 CR3: 0000000004e5c003 CR4: 0000000000771ef0
[   10.835897][  T237] PKRU: 55555554
[   10.835993][  T237] Call Trace:
[   10.836089][  T237]  <TASK>
[   10.836666][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.836797][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.836926][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.837025][  T237]  register_netdevice (net/core/dev.c:11488)
[   10.837188][  T237]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.837348][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.837478][  T237]  register_netdev (net/core/dev.c:11552)
[   10.837611][  T237]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.837763][  T237]  ops_init (net/core/net_namespace.c:137)
[   10.837862][  T237]  setup_net (net/core/net_namespace.c:446)
[   10.837960][  T237]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.838091][  T237]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.838224][  T237]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.838354][  T237]  copy_net_ns (net/core/net_namespace.c:579)
[   10.838491][  T237]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.838631][  T237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.838760][  T237]  ksys_unshare (kernel/fork.c:3243)
[   10.838892][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.839023][  T237]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.839157][  T237]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.839292][  T237]  ? __ia32_sys_open (fs/open.c:1374)
[   10.839426][  T237]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.839561][  T237]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.839689][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.839817][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.839946][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.840080][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.840248][  T237] RIP: 0033:0x7f922fa7bbcb
[   10.840384][  T237] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.840852][  T237] RSP: 002b:00007ffdffdb9fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.841049][  T237] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f922fa7bbcb
[   10.841245][  T237] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.841437][  T237] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.841638][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdffdbc1f0
[   10.841836][  T237] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdffdbd868
| [   10.867005][  T238] ------------[ cut here ]------------
| [   10.867183][  T238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/238
| [   10.867407][  T238] Modules linked in: nf_tables
| [   10.867853][  T238] Tainted: [W]=WARN
[   10.867950][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.868117][  T238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.868286][  T238] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.868755][  T238] RSP: 0018:ffa00000009c7020 EFLAGS: 00010286
[   10.868920][  T238] RAX: 00000000ffffffa6 RBX: ff1100000a8a5540 RCX: 1ff4000000138dca
[   10.869127][  T238] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8a55fc
[   10.869327][  T238] RBP: ff110000084e1000 R08: 1fe2200001514ac1 R09: ff1100000edb2e58
[   10.869518][  T238] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.869712][  T238] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.869906][  T238] FS:  00007f52bca25840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   10.870146][  T238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.870310][  T238] CR2: 0000000027955988 CR3: 000000000daaa005 CR4: 0000000000771ef0
[   10.870504][  T238] PKRU: 55555554
[   10.870609][  T238] Call Trace:
[   10.870705][  T238]  <TASK>
[   10.870773][  T238]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.870908][  T238]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.871013][  T238]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.871148][  T238]  __dev_notify_flags (net/core/dev.c:9787)
[   10.871281][  T238]  ? netif_change_name (net/core/dev.c:1495)
[   10.871410][  T238]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.871545][  T238]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.871673][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.871805][  T238]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.871944][  T238]  netif_change_flags (net/core/dev.c:9820)
[   10.872075][  T238]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.872211][  T238]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.872344][  T238]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.872474][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.872642][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.872770][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.872904][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.873035][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.873731][  T238]  ? __kernel_text_address (kernel/extable.c:79)
[   10.873871][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.874003][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.874137][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.874268][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.874399][  T238]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.874532][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.874661][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.874789][  T238]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.874916][  T238]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.875046][  T238]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.875180][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.875311][  T238]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.875444][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.875596][  T238]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.875727][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.875855][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.875984][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.876118][  T238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.876247][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.876379][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.876510][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.876643][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.876771][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.876902][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.877031][  T238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.877165][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.877293][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.877422][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.877559][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.877687][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.877816][  T238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.877947][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.878077][  T238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.878216][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.878344][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.878478][  T238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.878614][  T238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.878745][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.878876][  T238]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.879007][  T238]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.879142][  T238]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.879275][  T238]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.879406][  T238]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.879544][  T238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.879705][  T238]  ? move_addr_to_kernel (net/socket.c:258)
[   10.879837][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.879967][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.880103][  T238]  ___sys_sendmsg (net/socket.c:2752)
[   10.880232][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.880403][  T238]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.880554][  T238]  __sys_sendmsg (net/socket.c:2784)
[   10.880686][  T238]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.880848][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.881017][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.881155][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.881288][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.881422][  T238]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.881564][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.881697][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.881863][  T238] RIP: 0033:0x7f52bcc5f08e
[   10.882003][  T238] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.882479][  T238] RSP: 002b:00007ffd13db2660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.882685][  T238] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f52bcc5f08e
[   10.882880][  T238] RDX: 0000000000000000 RSI: 00007ffd13db2710 RDI: 0000000000000005
[   10.883075][  T238] RBP: 00007ffd13db2670 R08: 0000000000000000 R09: 0000000000000000
[   10.883280][  T238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfa
[   10.883477][  T238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd13db2de0
| [   11.005524][  T243] ------------[ cut here ]------------
| [   11.005719][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   11.005947][  T243] Modules linked in: nf_tables
| [   11.006359][  T243] Tainted: [W]=WARN
[   11.006457][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.006629][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.006835][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.007932][  T243] RSP: 0018:ffa00000006f7a80 EFLAGS: 00010286
[   11.008166][  T243] RAX: 00000000ffffffa6 RBX: ff1100000c814c80 RCX: 1ff40000000def16
[   11.008371][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c814d3c
[   11.008569][  T243] RBP: ff11000009334000 R08: 1fe22000019029a9 R09: ff1100000fee2e80
[   11.008762][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.008954][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009334000
[   11.009231][  T243] FS:  00007fc836819840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.009499][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.009668][  T243] CR2: 00007fc836a1ac20 CR3: 000000000e70f006 CR4: 0000000000771ef0
[   11.009874][  T243] PKRU: 55555554
[   11.009974][  T243] Call Trace:
[   11.010071][  T243]  <TASK>
[   11.010142][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.010274][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.010406][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.010505][  T243]  register_netdevice (net/core/dev.c:11488)
[   11.010646][  T243]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.010811][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.010942][  T243]  register_netdev (net/core/dev.c:11552)
[   11.011072][  T243]  loopback_net_init (drivers/net/loopback.c:218)
[   11.011274][  T243]  ops_init (net/core/net_namespace.c:137)
[   11.011427][  T243]  setup_net (net/core/net_namespace.c:446)
[   11.011582][  T243]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.011810][  T243]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.012014][  T243]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.012173][  T243]  copy_net_ns (net/core/net_namespace.c:579)
[   11.012306][  T243]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.012440][  T243]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.012694][  T243]  ksys_unshare (kernel/fork.c:3243)
[   11.012826][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.012960][  T243]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.013089][  T243]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.013226][  T243]  ? __ia32_sys_open (fs/open.c:1374)
[   11.013363][  T243]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.013556][  T243]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.013748][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.013946][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.014152][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.014355][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.014578][  T243] RIP: 0033:0x7fc836adbbcb
[   11.014716][  T243] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.015220][  T243] RSP: 002b:00007ffedbe478c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.015421][  T243] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc836adbbcb
[   11.015632][  T243] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.015834][  T243] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.016030][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedbe49af0
[   11.016234][  T243] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffedbe4b868
| [   11.027102][  T243] ------------[ cut here ]------------
| [   11.027280][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   11.027517][  T243] Modules linked in: nf_tables
| [   11.027920][  T243] Tainted: [W]=WARN
[   11.028018][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.028185][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.028355][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.028819][  T243] RSP: 0018:ffa00000006f7918 EFLAGS: 00010286
[   11.028983][  T243] RAX: 00000000ffffffa6 RBX: ff1100000daa1700 RCX: 1ff40000000deee9
[   11.029185][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa17bc
[   11.029403][  T243] RBP: ff11000009559000 R08: 1fe2200001b542f9 R09: ff1100000fee2e80
[   11.029599][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.029791][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009559000
[   11.029985][  T243] FS:  00007fc836819840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.030215][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.030377][  T243] CR2: 00007fc836a1ac20 CR3: 000000000e70f006 CR4: 0000000000771ef0
[   11.030578][  T243] PKRU: 55555554
[   11.030675][  T243] Call Trace:
[   11.030771][  T243]  <TASK>
[   11.030839][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.030967][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.031101][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.031202][  T243]  register_netdevice (net/core/dev.c:11488)
[   11.031333][  T243]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.031492][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.031630][  T243]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.031761][  T243]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.031888][  T243]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.032017][  T243]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.032233][  T243]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.032387][  T243]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.032519][  T243]  ops_init (net/core/net_namespace.c:137)
[   11.032623][  T243]  setup_net (net/core/net_namespace.c:446)
[   11.032719][  T243]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.032848][  T243]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.032977][  T243]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.033110][  T243]  copy_net_ns (net/core/net_namespace.c:579)
[   11.033240][  T243]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.033370][  T243]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.033499][  T243]  ksys_unshare (kernel/fork.c:3243)
[   11.033647][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.033774][  T243]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.033945][  T243]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.034078][  T243]  ? __ia32_sys_open (fs/open.c:1374)
[   11.034212][  T243]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.034339][  T243]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.034467][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.034619][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.034755][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.034887][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.035045][  T243] RIP: 0033:0x7fc836adbbcb
[   11.035184][  T243] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.035669][  T243] RSP: 002b:00007ffedbe478c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.035890][  T243] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc836adbbcb
[   11.036085][  T243] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.036283][  T243] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.036473][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedbe49af0
[   11.036692][  T243] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffedbe4b868
| [   11.041306][  T243] ------------[ cut here ]------------
| [   11.041452][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   11.041718][  T243] Modules linked in: nf_tables
| [   11.042126][  T243] Tainted: [W]=WARN
[   11.042225][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.042394][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.042586][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.043057][  T243] RSP: 0018:ffa00000006f78f8 EFLAGS: 00010286
[   11.043254][  T243] RAX: 00000000ffffffa6 RBX: ff1100000ceba200 RCX: 1ff40000000deee5
[   11.043477][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceba2bc
[   11.043679][  T243] RBP: ff11000008d1c000 R08: 1fe22000019d7459 R09: ff1100000fee2e80
[   11.043874][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.044299][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d1c000
[   11.044500][  T243] FS:  00007fc836819840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.044739][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.044906][  T243] CR2: 00007fc836a1ac20 CR3: 000000000e70f006 CR4: 0000000000771ef0
[   11.045110][  T243] PKRU: 55555554
[   11.045228][  T243] Call Trace:
[   11.045335][  T243]  <TASK>
[   11.045405][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.045541][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.045675][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.045775][  T243]  register_netdevice (net/core/dev.c:11488)
[   11.045910][  T243]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.046076][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.046218][  T243]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.046352][  T243]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.046483][  T243]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.046621][  T243]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.046756][  T243]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.046889][  T243]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.047022][  T243]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.047163][  T243]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.047301][  T243]  ops_init (net/core/net_namespace.c:137)
[   11.047402][  T243]  setup_net (net/core/net_namespace.c:446)
[   11.047503][  T243]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.047650][  T243]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.047784][  T243]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.047929][  T243]  copy_net_ns (net/core/net_namespace.c:579)
[   11.048063][  T243]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.048229][  T243]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.048362][  T243]  ksys_unshare (kernel/fork.c:3243)
[   11.048494][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.048632][  T243]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.048764][  T243]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.048904][  T243]  ? __ia32_sys_open (fs/open.c:1374)
[   11.049040][  T243]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.049177][  T243]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.049309][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.049441][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.049622][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.049755][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.049918][  T243] RIP: 0033:0x7fc836adbbcb
[   11.050068][  T243] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.050565][  T243] RSP: 002b:00007ffedbe478c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.050767][  T243] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc836adbbcb
[   11.051062][  T243] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.051272][  T243] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.051470][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedbe49af0
[   11.051673][  T243] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffedbe4b868
| [   11.055945][  T243] ------------[ cut here ]------------
| [   11.056101][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   11.056325][  T243] Modules linked in: nf_tables
| [   11.056733][  T243] Tainted: [W]=WARN
[   11.056832][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.056996][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.057171][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.057648][  T243] RSP: 0018:ffa00000006f7a78 EFLAGS: 00010286
[   11.057814][  T243] RAX: 00000000ffffffa6 RBX: ff1100000c9a3380 RCX: 1ff40000000def15
[   11.058010][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9a343c
[   11.058211][  T243] RBP: ff1100000954c000 R08: 1fe2200001934689 R09: ff1100000fee2e80
[   11.058409][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.058612][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000954c000
[   11.058833][  T243] FS:  00007fc836819840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.059064][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.059255][  T243] CR2: 00007fc836a1ac20 CR3: 000000000e70f006 CR4: 0000000000771ef0
[   11.059454][  T243] PKRU: 55555554
[   11.059558][  T243] Call Trace:
[   11.059656][  T243]  <TASK>
[   11.059723][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.059853][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.059992][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.060136][  T243]  register_netdevice (net/core/dev.c:11488)
[   11.060269][  T243]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.060434][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.060574][  T243]  register_netdev (net/core/dev.c:11552)
[   11.060705][  T243]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.060837][  T243]  ops_init (net/core/net_namespace.c:137)
[   11.060938][  T243]  setup_net (net/core/net_namespace.c:446)
[   11.061064][  T243]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.061204][  T243]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.061335][  T243]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.061469][  T243]  copy_net_ns (net/core/net_namespace.c:579)
[   11.061611][  T243]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.061747][  T243]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.061881][  T243]  ksys_unshare (kernel/fork.c:3243)
[   11.062014][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.062154][  T243]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.062307][  T243]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.062442][  T243]  ? __ia32_sys_open (fs/open.c:1374)
[   11.062580][  T243]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.062711][  T243]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.062842][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.062972][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.063108][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.063239][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.063402][  T243] RIP: 0033:0x7fc836adbbcb
[   11.063544][  T243] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.064018][  T243] RSP: 002b:00007ffedbe478c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.064222][  T243] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc836adbbcb
[   11.064418][  T243] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.064619][  T243] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.064814][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedbe49af0
[   11.065012][  T243] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffedbe4b868
| [   11.069185][  T243] ------------[ cut here ]------------
| [   11.069343][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   11.069571][  T243] Modules linked in: nf_tables
| [   11.069962][  T243] Tainted: [W]=WARN
[   11.070060][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.070232][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.070401][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.070863][  T243] RSP: 0018:ffa00000006f7a68 EFLAGS: 00010286
[   11.071045][  T243] RAX: 00000000ffffffa6 RBX: ff1100000c9a2580 RCX: 1ff40000000def13
[   11.071252][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9a263c
[   11.071445][  T243] RBP: ff11000001f71000 R08: 1fe22000019344c9 R09: ff1100000fee2e80
[   11.071657][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.071850][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001f71000
[   11.072049][  T243] FS:  00007fc836819840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.072283][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.072445][  T243] CR2: 00007fc836a1ac20 CR3: 000000000e70f006 CR4: 0000000000771ef0
[   11.072643][  T243] PKRU: 55555554
[   11.072740][  T243] Call Trace:
[   11.072836][  T243]  <TASK>
[   11.072906][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.073035][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.073171][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.073270][  T243]  register_netdevice (net/core/dev.c:11488)
[   11.073401][  T243]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.073569][  T243]  register_netdev (net/core/dev.c:11552)
[   11.073698][  T243]  sit_init_net (net/ipv6/sit.c:1860)
[   11.073832][  T243]  ops_init (net/core/net_namespace.c:137)
[   11.073931][  T243]  setup_net (net/core/net_namespace.c:446)
[   11.074041][  T243]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.074173][  T243]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.074310][  T243]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.074442][  T243]  copy_net_ns (net/core/net_namespace.c:579)
[   11.074577][  T243]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.074713][  T243]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.074843][  T243]  ksys_unshare (kernel/fork.c:3243)
[   11.074972][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.075106][  T243]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.075236][  T243]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.075375][  T243]  ? __ia32_sys_open (fs/open.c:1374)
[   11.075508][  T243]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.075643][  T243]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.075772][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.075900][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.076030][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.076164][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.076350][  T243] RIP: 0033:0x7fc836adbbcb
[   11.076486][  T243] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.076964][  T243] RSP: 002b:00007ffedbe478c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.077165][  T243] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc836adbbcb
[   11.077361][  T243] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.077564][  T243] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.077764][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedbe49af0
[   11.077958][  T243] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffedbe4b868
| [   11.082278][  T243] ------------[ cut here ]------------
| [   11.082427][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   11.082663][  T243] Modules linked in: nf_tables
| [   11.083070][  T243] Tainted: [W]=WARN
[   11.083175][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.083344][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.083511][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.083981][  T243] RSP: 0018:ffa00000006f7a78 EFLAGS: 00010286
[   11.084150][  T243] RAX: 00000000ffffffa6 RBX: ff1100000cebb8c0 RCX: 1ff40000000def15
[   11.084351][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cebb97c
[   11.084555][  T243] RBP: ff1100000982c000 R08: 1fe22000019d7731 R09: ff1100000fee2e80
[   11.084753][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.084953][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000982c000
[   11.085159][  T243] FS:  00007fc836819840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.085386][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.085553][  T243] CR2: 00007fc836a1ac20 CR3: 000000000e70f006 CR4: 0000000000771ef0
[   11.085757][  T243] PKRU: 55555554
[   11.085858][  T243] Call Trace:
[   11.085955][  T243]  <TASK>
[   11.086024][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.086161][  T243]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.086294][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.086397][  T243]  register_netdevice (net/core/dev.c:11488)
[   11.086538][  T243]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.086733][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.086865][  T243]  register_netdev (net/core/dev.c:11552)
[   11.086994][  T243]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.087131][  T243]  ops_init (net/core/net_namespace.c:137)
[   11.087232][  T243]  setup_net (net/core/net_namespace.c:446)
[   11.087330][  T243]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.087459][  T243]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.087593][  T243]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.087723][  T243]  copy_net_ns (net/core/net_namespace.c:579)
[   11.087854][  T243]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.087986][  T243]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.088123][  T243]  ksys_unshare (kernel/fork.c:3243)
[   11.088252][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.088382][  T243]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.088513][  T243]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.088649][  T243]  ? __ia32_sys_open (fs/open.c:1374)
[   11.088780][  T243]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.088909][  T243]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.089055][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.089719][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.089857][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.089986][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.090204][  T243] RIP: 0033:0x7fc836adbbcb
[   11.090402][  T243] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.090878][  T243] RSP: 002b:00007ffedbe478c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.091079][  T243] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc836adbbcb
[   11.091334][  T243] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.091541][  T243] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.091732][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedbe49af0
[   11.091929][  T243] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffedbe4b868
| [   11.132300][  T244] ------------[ cut here ]------------
| [   11.132473][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/244
| [   11.132710][  T244] Modules linked in: nf_tables
| [   11.133689][  T244] Tainted: [W]=WARN
[   11.133793][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.133959][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.134134][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.134664][  T244] RSP: 0018:ffa0000000707020 EFLAGS: 00010286
[   11.134830][  T244] RAX: 00000000ffffffa6 RBX: ff1100000d1a2200 RCX: 1ff40000000e0dca
[   11.135025][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a22bc
[   11.135228][  T244] RBP: ff11000009334000 R08: 1fe2200001a34459 R09: ff11000005a8ae58
[   11.135429][  T244] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.135631][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.135832][  T244] FS:  00007fc0b0ba7840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   11.136065][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.136237][  T244] CR2: 000000001b1f4988 CR3: 000000000d3a5006 CR4: 0000000000771ef0
[   11.136437][  T244] PKRU: 55555554
[   11.136540][  T244] Call Trace:
[   11.136638][  T244]  <TASK>
[   11.136707][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.136841][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.136943][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.137075][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   11.137215][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   11.137348][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.137482][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.137621][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.137757][  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))
[   11.137894][  T244]  netif_change_flags (net/core/dev.c:9820)
[   11.138030][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.138171][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.138308][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.138456][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.138658][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.138789][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.138919][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.139048][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.139204][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.139339][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.139473][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.139607][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.139738][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.139869][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.140006][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.140178][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.140319][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.140455][  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)
[   11.140596][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.140732][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.140867][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.141001][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.141143][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.141279][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.141409][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.141548][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.141683][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.141822][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.141954][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.142084][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.142219][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.142350][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.142483][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.142621][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.142752][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.142884][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.143013][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.143151][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.143296][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.143430][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.143570][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.143705][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.143843][  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))
[   11.143976][  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))
[   11.144113][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.144247][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.144382][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.144517][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.144658][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.144792][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.144926][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.145060][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.145198][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.145361][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.145496][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.145635][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.145768][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.145901][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.146066][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.146216][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.146347][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.146480][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.146653][  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)
[   11.146788][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.146921][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.147055][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.147193][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.147326][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.147492][  T244] RIP: 0033:0x7fc0b0de108e
[   11.147637][  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
[   11.148106][  T244] RSP: 002b:00007ffca198a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.148303][  T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc0b0de108e
[   11.148502][  T244] RDX: 0000000000000000 RSI: 00007ffca198a9e0 RDI: 0000000000000005
[   11.148705][  T244] RBP: 00007ffca198a940 R08: 0000000000000000 R09: 0000000000000000
[   11.148905][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfa
[   11.149108][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca198b0b0
| [   11.274636][  T249] ------------[ cut here ]------------
| [   11.274818][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/249
| [   11.275061][  T249] Modules linked in: nf_tables
| [   11.275495][  T249] Tainted: [W]=WARN
[   11.275605][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.275775][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.275953][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.277207][  T249] RSP: 0018:ffa0000000757a80 EFLAGS: 00010286
[   11.277461][  T249] RAX: 00000000ffffffa6 RBX: ff1100000e554740 RCX: 1ff40000000eaf16
[   11.277678][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5547fc
[   11.277883][  T249] RBP: ff1100000a7d4000 R08: 1fe2200001caa901 R09: ff110000099f0b80
[   11.278086][  T249] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.278369][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7d4000
[   11.278577][  T249] FS:  00007fd4958b0840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   11.278822][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.278993][  T249] CR2: 00007fd495ab7430 CR3: 0000000005aa6001 CR4: 0000000000771ef0
[   11.279288][  T249] PKRU: 55555554
[   11.279390][  T249] Call Trace:
[   11.279492][  T249]  <TASK>
[   11.279567][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.279706][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.279843][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.279947][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.280086][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.280320][  T249]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.280457][  T249]  register_netdev (net/core/dev.c:11552)
[   11.280596][  T249]  loopback_net_init (drivers/net/loopback.c:218)
[   11.280731][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.280835][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.280936][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.281071][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.281270][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.281409][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.281554][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.281693][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.281831][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.281968][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.282179][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.282317][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.282453][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.282593][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.282727][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.282863][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.282999][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.283191][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.283327][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.283494][  T249] RIP: 0033:0x7fd495b72bcb
[   11.283641][  T249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.284182][  T249] RSP: 002b:00007ffff05b6428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.284387][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd495b72bcb
[   11.284590][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.284791][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.284993][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff05b8650
[   11.285252][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff05ba868
| [   11.289915][  T249] ------------[ cut here ]------------
| [   11.290069][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/249
| [   11.290312][  T249] Modules linked in: nf_tables
| [   11.290730][  T249] Tainted: [W]=WARN
[   11.290832][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.291001][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.291179][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.291661][  T249] RSP: 0018:ffa0000000757918 EFLAGS: 00010286
[   11.291830][  T249] RAX: 00000000ffffffa6 RBX: ff1100000a504200 RCX: 1ff40000000eaee9
[   11.292033][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a5042bc
[   11.292239][  T249] RBP: ff1100000a404000 R08: 1fe22000014a0859 R09: ff110000099f0b80
[   11.292438][  T249] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.292641][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a404000
[   11.292843][  T249] FS:  00007fd4958b0840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   11.293080][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.293767][  T249] CR2: 00007fd495ab7430 CR3: 0000000005aa6001 CR4: 0000000000771ef0
[   11.293971][  T249] PKRU: 55555554
[   11.294071][  T249] Call Trace:
[   11.294226][  T249]  <TASK>
[   11.294298][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.294433][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.294573][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.294675][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.294812][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.294979][  T249]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.295171][  T249]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.295308][  T249]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.295443][  T249]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.295583][  T249]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.295717][  T249]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.295856][  T249]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.296046][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.296206][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.296309][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.296443][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.296583][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.296718][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.296851][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.296987][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.297176][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.297310][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.297445][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.297582][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.297715][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.297849][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.297982][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.298169][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.298301][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.298434][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.298572][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.298737][  T249] RIP: 0033:0x7fd495b72bcb
[   11.298875][  T249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.299407][  T249] RSP: 002b:00007ffff05b6428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.299611][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd495b72bcb
[   11.299808][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.300006][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.300261][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff05b8650
[   11.300459][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff05ba868
| [   11.309506][  T249] ------------[ cut here ]------------
| [   11.309714][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/249
| [   11.309998][  T249] Modules linked in: nf_tables
| [   11.310522][  T249] Tainted: [W]=WARN
[   11.310680][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.310895][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.311147][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.311710][  T249] RSP: 0018:ffa00000007578f8 EFLAGS: 00010286
[   11.311941][  T249] RAX: 00000000ffffffa6 RBX: ff1100000c37b8c0 RCX: 1ff40000000eaee5
[   11.312214][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37b97c
[   11.312462][  T249] RBP: ff11000009a9c000 R08: 1fe220000186f731 R09: ff110000099f0b80
[   11.312716][  T249] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.312961][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a9c000
[   11.313216][  T249] FS:  00007fd4958b0840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.313501][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.313731][  T249] CR2: 000055854ee36d5c CR3: 0000000005aa6004 CR4: 0000000000771ef0
[   11.313982][  T249] PKRU: 55555554
[   11.314182][  T249] Call Trace:
[   11.314325][  T249]  <TASK>
[   11.314442][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.314642][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.314829][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.314980][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.315175][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.315385][  T249]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.315573][  T249]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.315755][  T249]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.315942][  T249]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.316141][  T249]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.316329][  T249]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.316514][  T249]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.316702][  T249]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.316885][  T249]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.317065][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.317266][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.317422][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.317609][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.317791][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.317972][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.318197][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.318383][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.318573][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.318754][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.318936][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.319129][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.319309][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.319510][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.319728][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.319907][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.320089][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.320281][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.320460][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.320709][  T249] RIP: 0033:0x7fd495b72bcb
[   11.320894][  T249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.321414][  T249] RSP: 002b:00007ffff05b6428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.321687][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd495b72bcb
[   11.321929][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.322181][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.322428][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff05b8650
[   11.322677][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff05ba868
| [   11.327781][  T249] ------------[ cut here ]------------
| [   11.327963][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/249
| [   11.328247][  T249] Modules linked in: nf_tables
| [   11.328748][  T249] Tainted: [W]=WARN
[   11.328914][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.329256][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.329557][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.330129][  T249] RSP: 0018:ffa0000000757a78 EFLAGS: 00010286
[   11.330409][  T249] RAX: 00000000ffffffa6 RBX: ff1100000c37ae40 RCX: 1ff40000000eaf15
[   11.330712][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37aefc
[   11.331005][  T249] RBP: ff1100000a734000 R08: 1fe220000186f5e1 R09: ff110000099f0b80
[   11.331312][  T249] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.331647][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a734000
[   11.331943][  T249] FS:  00007fd4958b0840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.332285][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.332574][  T249] CR2: 000055854ee36d5c CR3: 0000000005aa6004 CR4: 0000000000771ef0
[   11.332877][  T249] PKRU: 55555554
[   11.333073][  T249] Call Trace:
[   11.333283][  T249]  <TASK>
[   11.333451][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.333690][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.333929][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.334146][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.334382][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.334657][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.334892][  T249]  register_netdev (net/core/dev.c:11552)
[   11.335134][  T249]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.335313][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.335461][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.335611][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.335813][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.335994][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.336184][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.336363][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.336555][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.336734][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.336912][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.337090][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.337284][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.337486][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.337680][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.337857][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.338036][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.338229][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.338413][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.338603][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.338817][  T249] RIP: 0033:0x7fd495b72bcb
[   11.339004][  T249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.339538][  T249] RSP: 002b:00007ffff05b6428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.339793][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd495b72bcb
[   11.340033][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.340285][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.340524][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff05b8650
[   11.340801][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff05ba868
| [   11.352379][  T249] ------------[ cut here ]------------
| [   11.352626][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/249
| [   11.352905][  T249] Modules linked in: nf_tables
| [   11.353729][  T249] Tainted: [W]=WARN
[   11.353875][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.354083][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.354310][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.354824][  T249] RSP: 0018:ffa0000000757a68 EFLAGS: 00010286
[   11.355066][  T249] RAX: 00000000ffffffa6 RBX: ff1100000badf380 RCX: 1ff40000000eaf13
[   11.355319][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badf43c
[   11.355570][  T249] RBP: ff110000093e1000 R08: 1fe220000175be89 R09: ff110000099f0b80
[   11.355811][  T249] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.356229][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093e1000
[   11.356499][  T249] FS:  00007fd4958b0840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.356791][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.357006][  T249] CR2: 000055854ee36d5c CR3: 0000000005aa6004 CR4: 0000000000771ef0
[   11.357257][  T249] PKRU: 55555554
[   11.357404][  T249] Call Trace:
[   11.357556][  T249]  <TASK>
[   11.357674][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.357855][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.358031][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.358218][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.358402][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.358622][  T249]  register_netdev (net/core/dev.c:11552)
[   11.358802][  T249]  sit_init_net (net/ipv6/sit.c:1860)
[   11.358982][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.359143][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.359290][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.359464][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.359652][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.359832][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.360012][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.360207][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.360384][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.360570][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.360747][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.360929][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.361147][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.361333][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.361514][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.361718][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.361897][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.362076][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.362268][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.362479][  T249] RIP: 0033:0x7fd495b72bcb
[   11.362670][  T249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.363200][  T249] RSP: 002b:00007ffff05b6428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.363452][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd495b72bcb
[   11.363704][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.364127][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.364365][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff05b8650
[   11.364611][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff05ba868
| [   11.369306][  T249] ------------[ cut here ]------------
| [   11.369500][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/249
| [   11.369804][  T249] Modules linked in: nf_tables
| [   11.370342][  T249] Tainted: [W]=WARN
[   11.370486][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.370701][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.370928][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.371449][  T249] RSP: 0018:ffa0000000757a78 EFLAGS: 00010286
[   11.371667][  T249] RAX: 00000000ffffffa6 RBX: ff11000011a69540 RCX: 1ff40000000eaf15
[   11.371936][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011a695fc
[   11.372202][  T249] RBP: ff110000093ec000 R08: 1fe220000234d2c1 R09: ff110000099f0b80
[   11.372441][  T249] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.372689][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093ec000
[   11.372931][  T249] FS:  00007fd4958b0840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.373218][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.373427][  T249] CR2: 000055854ee36d5c CR3: 0000000005aa6004 CR4: 0000000000771ef0
[   11.373682][  T249] PKRU: 55555554
[   11.373826][  T249] Call Trace:
[   11.373970][  T249]  <TASK>
[   11.374085][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.374278][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.374456][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.374610][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.374791][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.375138][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.375319][  T249]  register_netdev (net/core/dev.c:11552)
[   11.375506][  T249]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.375726][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.375880][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.376032][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.376226][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.376411][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.376605][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.376787][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.376972][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.377164][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.377346][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.377536][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.377719][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.377899][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.378083][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.378280][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.378460][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.378682][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.378862][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.379042][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.379265][  T249] RIP: 0033:0x7fd495b72bcb
[   11.379448][  T249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.379963][  T249] RSP: 002b:00007ffff05b6428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.380216][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd495b72bcb
[   11.380466][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.380729][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.380981][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff05b8650
[   11.381235][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff05ba868
| [   11.406788][  T250] ------------[ cut here ]------------
| [   11.406955][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/250
| [   11.407184][  T250] Modules linked in: nf_tables
| [   11.407583][  T250] Tainted: [W]=WARN
[   11.407689][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.407849][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.408015][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.408588][  T250] RSP: 0018:ffa0000000757020 EFLAGS: 00010286
[   11.408839][  T250] RAX: 00000000ffffffa6 RBX: ff11000011a69e00 RCX: 1ff40000000eadca
[   11.409136][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011a69ebc
[   11.409355][  T250] RBP: ff1100000a7d4000 R08: 1fe220000234d3d9 R09: ff11000005820b58
[   11.409550][  T250] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.409763][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.409955][  T250] FS:  00007f3ae16c4840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.410183][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.410344][  T250] CR2: 000000001c8ba988 CR3: 0000000009b27004 CR4: 0000000000771ef0
[   11.410548][  T250] PKRU: 55555554
[   11.410644][  T250] Call Trace:
[   11.410740][  T250]  <TASK>
[   11.410806][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.410936][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.411034][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.411166][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   11.411295][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   11.411429][  T250]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.411562][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.411691][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.411832][  T250]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.411963][  T250]  netif_change_flags (net/core/dev.c:9820)
[   11.412091][  T250]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.412236][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.412371][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.412502][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.412668][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.412795][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.412922][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.413049][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.413188][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.413317][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.413448][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.413579][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.413706][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.413833][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.413969][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.414100][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.414228][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.414358][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.414485][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.414619][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.414747][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.414884][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.415014][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.415228][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.415356][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.415491][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.415624][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.415752][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.415881][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.416007][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.416225][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.416357][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.416485][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.416620][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.416750][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.416877][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.417004][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.417209][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.417337][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.417465][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.417600][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.417729][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.417859][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.417985][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.418199][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.418351][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.418480][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.418614][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.418744][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.418872][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.419003][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.419197][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.419325][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.419484][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.419619][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.419776][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.419905][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.420033][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.420270][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.420420][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.420574][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.420703][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.420866][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.420993][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.421267][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.421457][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.421706][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.421834][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.421992][  T250] RIP: 0033:0x7f3ae18fe08e
[   11.422187][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.422661][  T250] RSP: 002b:00007ffd4ea5f590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.422860][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3ae18fe08e
[   11.423056][  T250] RDX: 0000000000000000 RSI: 00007ffd4ea5f640 RDI: 0000000000000005
[   11.423305][  T250] RBP: 00007ffd4ea5f5a0 R08: 0000000000000000 R09: 0000000000000000
[   11.423505][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfa
[   11.423705][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4ea5fd10
| [   11.547877][  T255] ------------[ cut here ]------------
| [   11.548060][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   11.548311][  T255] Modules linked in: nf_tables
| [   11.548738][  T255] Tainted: [W]=WARN
[   11.548842][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.549016][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.549199][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.549684][  T255] RSP: 0018:ffa0000000807a80 EFLAGS: 00010286
[   11.549857][  T255] RAX: 00000000ffffffa6 RBX: ff1100000a5051c0 RCX: 1ff4000000100f16
[   11.550063][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a50527c
[   11.550274][  T255] RBP: ff110000021f4000 R08: 1fe22000014a0a51 R09: ff1100001008ae80
[   11.550474][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.550679][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000021f4000
[   11.550883][  T255] FS:  00007f0400eb2840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   11.551128][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.551298][  T255] CR2: 00007f04010b9430 CR3: 0000000011985005 CR4: 0000000000771ef0
[   11.551500][  T255] PKRU: 55555554
[   11.551605][  T255] Call Trace:
[   11.551708][  T255]  <TASK>
[   11.551779][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.551917][  T255]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.552057][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.552167][  T255]  register_netdevice (net/core/dev.c:11488)
[   11.552302][  T255]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.552469][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.552611][  T255]  register_netdev (net/core/dev.c:11552)
[   11.552744][  T255]  loopback_net_init (drivers/net/loopback.c:218)
[   11.552879][  T255]  ops_init (net/core/net_namespace.c:137)
[   11.552983][  T255]  setup_net (net/core/net_namespace.c:446)
[   11.553086][  T255]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.553224][  T255]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.553360][  T255]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.553497][  T255]  copy_net_ns (net/core/net_namespace.c:579)
[   11.553638][  T255]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.553779][  T255]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.553916][  T255]  ksys_unshare (kernel/fork.c:3243)
[   11.554060][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.554473][  T255]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.554612][  T255]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.554749][  T255]  ? __ia32_sys_open (fs/open.c:1374)
[   11.554886][  T255]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.555020][  T255]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.555160][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.555294][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.555429][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.555568][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.555735][  T255] RIP: 0033:0x7f0401174bcb
[   11.555877][  T255] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.556363][  T255] RSP: 002b:00007ffe9772d878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.556572][  T255] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0401174bcb
[   11.556772][  T255] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.556971][  T255] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.557174][  T255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9772faa0
[   11.557373][  T255] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe97731868
| [   11.561189][  T255] ------------[ cut here ]------------
| [   11.561334][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   11.561573][  T255] Modules linked in: nf_tables
| [   11.561982][  T255] Tainted: [W]=WARN
[   11.562085][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.562447][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.562627][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.563106][  T255] RSP: 0018:ffa0000000807918 EFLAGS: 00010286
[   11.563277][  T255] RAX: 00000000ffffffa6 RBX: ff1100000e554580 RCX: 1ff4000000100ee9
[   11.563480][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e55463c
[   11.563686][  T255] RBP: ff110000021f9000 R08: 1fe2200001caa8c9 R09: ff1100001008ae80
[   11.563886][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.564086][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000021f9000
[   11.564291][  T255] FS:  00007f0400eb2840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   11.564523][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.564694][  T255] CR2: 00007f04010b9430 CR3: 0000000011985005 CR4: 0000000000771ef0
[   11.564895][  T255] PKRU: 55555554
[   11.564995][  T255] Call Trace:
[   11.565100][  T255]  <TASK>
[   11.565169][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.565303][  T255]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.565437][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.565543][  T255]  register_netdevice (net/core/dev.c:11488)
[   11.565680][  T255]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.565848][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.565983][  T255]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.566125][  T255]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.566258][  T255]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.566395][  T255]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.566535][  T255]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.566674][  T255]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.566813][  T255]  ops_init (net/core/net_namespace.c:137)
[   11.566918][  T255]  setup_net (net/core/net_namespace.c:446)
[   11.567019][  T255]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.567158][  T255]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.567294][  T255]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.567432][  T255]  copy_net_ns (net/core/net_namespace.c:579)
[   11.567574][  T255]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.567712][  T255]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.567849][  T255]  ksys_unshare (kernel/fork.c:3243)
[   11.567983][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.568122][  T255]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.568255][  T255]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.568391][  T255]  ? __ia32_sys_open (fs/open.c:1374)
[   11.568526][  T255]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.568663][  T255]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.568797][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.568931][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.569066][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.569205][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.569371][  T255] RIP: 0033:0x7f0401174bcb
[   11.569510][  T255] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.569993][  T255] RSP: 002b:00007ffe9772d878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.570201][  T255] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0401174bcb
[   11.570400][  T255] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.570602][  T255] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.570803][  T255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9772faa0
[   11.571004][  T255] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe97731868
| [   11.575273][  T255] ------------[ cut here ]------------
| [   11.575413][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   11.575649][  T255] Modules linked in: nf_tables
| [   11.576081][  T255] Tainted: [W]=WARN
[   11.576707][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.576886][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.577060][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.577603][  T255] RSP: 0018:ffa00000008078f8 EFLAGS: 00010286
[   11.577772][  T255] RAX: 00000000ffffffa6 RBX: ff11000008d5c740 RCX: 1ff4000000100ee5
[   11.577973][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d5c7fc
[   11.578228][  T255] RBP: ff110000094d4000 R08: 1fe22000011ab901 R09: ff1100001008ae80
[   11.578429][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.578636][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094d4000
[   11.578914][  T255] FS:  00007f0400eb2840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   11.579212][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.579378][  T255] CR2: 00007f04010b9430 CR3: 0000000011985005 CR4: 0000000000771ef0
[   11.579586][  T255] PKRU: 55555554
[   11.579684][  T255] Call Trace:
[   11.579784][  T255]  <TASK>
[   11.579854][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.579991][  T255]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.580183][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.580283][  T255]  register_netdevice (net/core/dev.c:11488)
[   11.580416][  T255]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.580586][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.580720][  T255]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.580852][  T255]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.580988][  T255]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.581180][  T255]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.581316][  T255]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.581450][  T255]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.581589][  T255]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.581722][  T255]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.581855][  T255]  ops_init (net/core/net_namespace.c:137)
[   11.581961][  T255]  setup_net (net/core/net_namespace.c:446)
[   11.582063][  T255]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.582264][  T255]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.582399][  T255]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.582541][  T255]  copy_net_ns (net/core/net_namespace.c:579)
[   11.582680][  T255]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.582818][  T255]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.582954][  T255]  ksys_unshare (kernel/fork.c:3243)
[   11.583090][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.583281][  T255]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.583416][  T255]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.583558][  T255]  ? __ia32_sys_open (fs/open.c:1374)
[   11.583696][  T255]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.583832][  T255]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.583969][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.584158][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.584294][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.584428][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.584600][  T255] RIP: 0033:0x7f0401174bcb
[   11.584741][  T255] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.585278][  T255] RSP: 002b:00007ffe9772d878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.585482][  T255] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0401174bcb
[   11.585693][  T255] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.585894][  T255] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.586152][  T255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9772faa0
[   11.586353][  T255] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe97731868
| [   11.590715][  T255] ------------[ cut here ]------------
| [   11.590867][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/255
| [   11.591119][  T255] Modules linked in: nf_tables
| [   11.591542][  T255] Tainted: [W]=WARN
[   11.591646][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.591814][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.591988][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.592472][  T255] RSP: 0018:ffa0000000807a78 EFLAGS: 00010286
[   11.592646][  T255] RAX: 00000000ffffffa6 RBX: ff11000008d5de00 RCX: 1ff4000000100f15
[   11.592845][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d5debc
[   11.593047][  T255] RBP: ff1100000595c000 R08: 1fe22000011abbd9 R09: ff1100001008ae80
[   11.593254][  T255] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.593454][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000595c000
[   11.593659][  T255] FS:  00007f0400eb2840(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   11.593897][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.594067][  T255] CR2: 000055854ee32ae8 CR3: 0000000011985002 CR4: 0000000000771ef0
[   11.594273][  T255] PKRU: 55555554
[   11.594373][  T255] Call Trace:
[   11.594472][  T255]  <TASK>
[   11.594545][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.594680][  T255]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.594816][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.594918][  T255]  register_netdevice (net/core/dev.c:11488)
[   11.595052][  T255]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.595224][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.595361][  T255]  register_netdev (net/core/dev.c:11552)
[   11.595495][  T255]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.595636][  T255]  ops_init (net/core/net_namespace.c:137)
[   11.595741][  T255]  setup_net (net/core/net_namespace.c:446)
[   11.595842][  T255]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.595976][  T255]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.596115][  T255]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.596251][  T255]  copy_net_ns (net/core/net_namespace.c:579)
[   11.596386][  T255]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.596522][  T255]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.596667][  T255]  ksys_unshare (kernel/fork.c:3243)
[   11.596802][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.596936][  T255]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.597071][  T255]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.597208][  T255]  ? __ia32_sys_open (fs/open.c:1374)
[   11.597343][  T255]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.597476][  T255]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.597615][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.597749][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.597883][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.598016][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.598188][  T255] RIP: 0033:0x7f0401174bcb
[   11.598329][  T255] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.598815][  T255] RSP: 002b:00007ffe9772d878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.599015][  T255] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0401174bcb
[   11.599222][  T255] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.599420][  T255] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.599627][  T255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9772faa0
[   11.599823][  T255] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe97731868
| [   11.604351][  T255] ------------[ cut here ]------------
| [   11.604497][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/255
| [   11.604735][  T255] Modules linked in: nf_tables
| [   11.605153][  T255] Tainted: [W]=WARN
[   11.605254][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.605422][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.605601][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.606077][  T255] RSP: 0018:ffa0000000807a68 EFLAGS: 00010286
[   11.606250][  T255] RAX: 00000000ffffffa6 RBX: ff11000008d443c0 RCX: 1ff4000000100f13
[   11.606449][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4447c
[   11.606664][  T255] RBP: ff1100000e691000 R08: 1fe22000011a8891 R09: ff1100001008ae80
[   11.606862][  T255] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.607062][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e691000
[   11.607774][  T255] FS:  00007f0400eb2840(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   11.608010][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.608234][  T255] CR2: 000055854ee32ae8 CR3: 0000000011985002 CR4: 0000000000771ef0
[   11.608494][  T255] PKRU: 55555554
[   11.608598][  T255] Call Trace:
[   11.608697][  T255]  <TASK>
[   11.608766][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.608899][  T255]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.609031][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.609186][  T255]  register_netdevice (net/core/dev.c:11488)
[   11.609321][  T255]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.609493][  T255]  register_netdev (net/core/dev.c:11552)
[   11.609631][  T255]  sit_init_net (net/ipv6/sit.c:1860)
[   11.609767][  T255]  ops_init (net/core/net_namespace.c:137)
[   11.609868][  T255]  setup_net (net/core/net_namespace.c:446)
[   11.609969][  T255]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.610154][  T255]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.610288][  T255]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.610424][  T255]  copy_net_ns (net/core/net_namespace.c:579)
[   11.610562][  T255]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.610697][  T255]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.610830][  T255]  ksys_unshare (kernel/fork.c:3243)
[   11.610962][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.611150][  T255]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.611284][  T255]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.611418][  T255]  ? __ia32_sys_open (fs/open.c:1374)
[   11.611559][  T255]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.611691][  T255]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.611822][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.611954][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.612086][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.612275][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.612438][  T255] RIP: 0033:0x7f0401174bcb
[   11.612580][  T255] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.613061][  T255] RSP: 002b:00007ffe9772d878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.613314][  T255] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0401174bcb
[   11.613512][  T255] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.613717][  T255] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.613914][  T255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9772faa0
[   11.614168][  T255] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe97731868
| [   11.618932][  T255] ------------[ cut here ]------------
| [   11.619144][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/255
| [   11.619423][  T255] Modules linked in: nf_tables
| [   11.619934][  T255] Tainted: [W]=WARN
[   11.620081][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.620312][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.620539][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.621057][  T255] RSP: 0018:ffa0000000807a78 EFLAGS: 00010286
[   11.621283][  T255] RAX: 00000000ffffffa6 RBX: ff11000011944ac0 RCX: 1ff4000000100f15
[   11.621537][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011944b7c
[   11.621787][  T255] RBP: ff1100000ee44000 R08: 1fe2200002328971 R09: ff1100001008ae80
[   11.622032][  T255] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.622290][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ee44000
[   11.622547][  T255] FS:  00007f0400eb2840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.622832][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.623046][  T255] CR2: 000055854ee36d5c CR3: 0000000011985005 CR4: 0000000000771ef0
[   11.623307][  T255] PKRU: 55555554
[   11.623454][  T255] Call Trace:
[   11.623610][  T255]  <TASK>
[   11.623726][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.623907][  T255]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.624109][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.624258][  T255]  register_netdevice (net/core/dev.c:11488)
[   11.624440][  T255]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.624660][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.624848][  T255]  register_netdev (net/core/dev.c:11552)
[   11.625028][  T255]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.625231][  T255]  ops_init (net/core/net_namespace.c:137)
[   11.625384][  T255]  setup_net (net/core/net_namespace.c:446)
[   11.625541][  T255]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.625719][  T255]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.625902][  T255]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.626087][  T255]  copy_net_ns (net/core/net_namespace.c:579)
[   11.626284][  T255]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.626468][  T255]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.626666][  T255]  ksys_unshare (kernel/fork.c:3243)
[   11.626851][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.627032][  T255]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.627227][  T255]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.627413][  T255]  ? __ia32_sys_open (fs/open.c:1374)
[   11.627605][  T255]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.627786][  T255]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.627968][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.628165][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.628346][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.628539][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.628751][  T255] RIP: 0033:0x7f0401174bcb
[   11.628936][  T255] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.629465][  T255] RSP: 002b:00007ffe9772d878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.629722][  T255] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0401174bcb
[   11.629965][  T255] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.630222][  T255] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.630468][  T255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe9772faa0
[   11.630723][  T255] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe97731868
| [   11.662068][  T256] ------------[ cut here ]------------
| [   11.662828][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/256
| [   11.663216][  T256] Modules linked in: nf_tables
| [   11.663855][  T256] Tainted: [W]=WARN
[   11.663998][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.664225][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.664446][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.664969][  T256] RSP: 0018:ffa0000000907020 EFLAGS: 00010286
[   11.665197][  T256] RAX: 00000000ffffffa6 RBX: ff11000011944200 RCX: 1ff4000000120dca
[   11.665439][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000119442bc
[   11.665699][  T256] RBP: ff110000021f4000 R08: 1fe2200002328859 R09: ff1100001008d158
[   11.665946][  T256] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.666203][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.666447][  T256] FS:  00007f2eb6ecc840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.666735][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.666950][  T256] CR2: 000000002f773988 CR3: 000000000bb8a001 CR4: 0000000000771ef0
[   11.667209][  T256] PKRU: 55555554
[   11.667354][  T256] Call Trace:
[   11.667500][  T256]  <TASK>
[   11.667618][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.667801][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.667950][  T256]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.668145][  T256]  __dev_notify_flags (net/core/dev.c:9787)
[   11.668328][  T256]  ? netif_change_name (net/core/dev.c:1495)
[   11.668508][  T256]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.668697][  T256]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.668876][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.669061][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.669255][  T256]  netif_change_flags (net/core/dev.c:9820)
[   11.669439][  T256]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.669631][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.669817][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.669998][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.670224][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.670406][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.670596][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.670775][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.670958][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.671147][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.671330][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.671509][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.671703][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.671884][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.672062][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.672252][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.672432][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.672623][  T256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.672802][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.672986][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.673181][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.673366][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.673556][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.673738][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.673917][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.674113][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.674291][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.674469][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.674665][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.674845][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.675025][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.675214][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.675398][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.675585][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.675768][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.675953][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.676146][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.676329][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.676510][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.676699][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.676881][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.677062][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.677257][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.677439][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.677631][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.677817][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.677998][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.678194][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.678377][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.678565][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.678750][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.678935][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.679127][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.679336][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.679518][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.679707][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.679887][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.680070][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.680298][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.680490][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.680679][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.680861][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.681075][  T256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.681269][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.681455][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.681641][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.681820][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.682001][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.682224][  T256] RIP: 0033:0x7f2eb710608e
[   11.682409][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.682935][  T256] RSP: 002b:00007ffc37972240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.683256][  T256] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2eb710608e
[   11.683500][  T256] RDX: 0000000000000000 RSI: 00007ffc379722f0 RDI: 0000000000000005
[   11.683754][  T256] RBP: 00007ffc37972250 R08: 0000000000000000 R09: 0000000000000000
[   11.683998][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfa
[   11.684255][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc379729c0
| [   11.806374][  T261] ------------[ cut here ]------------
| [   11.806551][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/261
| [   11.806792][  T261] Modules linked in: nf_tables
| [   11.807213][  T261] Tainted: [W]=WARN
[   11.807315][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.807484][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.807673][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.808164][  T261] RSP: 0018:ffa0000000657a80 EFLAGS: 00010286
[   11.808334][  T261] RAX: 00000000ffffffa6 RBX: ff1100000943b8c0 RCX: 1ff40000000caf16
[   11.808541][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000943b97c
[   11.808743][  T261] RBP: ff110000093b9000 R08: 1fe2200001287731 R09: ff1100000e6f0b80
[   11.808942][  T261] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.809145][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093b9000
[   11.809346][  T261] FS:  00007f449a25b840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.809589][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.809759][  T261] CR2: 000055854ee36d5c CR3: 000000000cdcd006 CR4: 0000000000771ef0
[   11.809961][  T261] PKRU: 55555554
[   11.810061][  T261] Call Trace:
[   11.810167][  T261]  <TASK>
[   11.810237][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.810372][  T261]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.810508][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.810616][  T261]  register_netdevice (net/core/dev.c:11488)
[   11.810751][  T261]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.810917][  T261]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.811052][  T261]  register_netdev (net/core/dev.c:11552)
[   11.811190][  T261]  loopback_net_init (drivers/net/loopback.c:218)
[   11.811326][  T261]  ops_init (net/core/net_namespace.c:137)
[   11.811429][  T261]  setup_net (net/core/net_namespace.c:446)
[   11.811535][  T261]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.811667][  T261]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.811802][  T261]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.811939][  T261]  copy_net_ns (net/core/net_namespace.c:579)
[   11.812074][  T261]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.812215][  T261]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.812349][  T261]  ksys_unshare (kernel/fork.c:3243)
[   11.812483][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.812622][  T261]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.812754][  T261]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.812890][  T261]  ? __ia32_sys_open (fs/open.c:1374)
[   11.813025][  T261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.813165][  T261]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.813298][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.813433][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.813570][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.813704][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.813872][  T261] RIP: 0033:0x7f449a51dbcb
[   11.814013][  T261] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.814496][  T261] RSP: 002b:00007ffe7afd0d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.814703][  T261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f449a51dbcb
[   11.814903][  T261] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.815107][  T261] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.815305][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7afd2fc0
[   11.815502][  T261] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7afd3868
| [   11.819763][  T261] ------------[ cut here ]------------
| [   11.819904][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/261
| [   11.820140][  T261] Modules linked in: nf_tables
| [   11.820547][  T261] Tainted: [W]=WARN
[   11.820647][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.820815][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.820986][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.821460][  T261] RSP: 0018:ffa0000000657918 EFLAGS: 00010286
[   11.821633][  T261] RAX: 00000000ffffffa6 RBX: ff1100000dabec80 RCX: 1ff40000000caee9
[   11.821831][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabed3c
[   11.822030][  T261] RBP: ff11000009aec000 R08: 1fe2200001b57da9 R09: ff1100000e6f0b80
[   11.822232][  T261] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.822430][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009aec000
[   11.822638][  T261] FS:  00007f449a25b840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.822870][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.823036][  T261] CR2: 000055854ee36d5c CR3: 000000000cdcd006 CR4: 0000000000771ef0
[   11.823241][  T261] PKRU: 55555554
[   11.823340][  T261] Call Trace:
[   11.823442][  T261]  <TASK>
[   11.823511][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.823648][  T261]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.823782][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.823884][  T261]  register_netdevice (net/core/dev.c:11488)
[   11.824018][  T261]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.824187][  T261]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.824325][  T261]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.824458][  T261]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.824598][  T261]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.824732][  T261]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.824866][  T261]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.825000][  T261]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.825140][  T261]  ops_init (net/core/net_namespace.c:137)
[   11.825242][  T261]  setup_net (net/core/net_namespace.c:446)
[   11.825346][  T261]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.825477][  T261]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.825615][  T261]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.825750][  T261]  copy_net_ns (net/core/net_namespace.c:579)
[   11.825884][  T261]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.826020][  T261]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.826159][  T261]  ksys_unshare (kernel/fork.c:3243)
[   11.826293][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.826426][  T261]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.826563][  T261]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.826697][  T261]  ? __ia32_sys_open (fs/open.c:1374)
[   11.826831][  T261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.826963][  T261]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.827099][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.827235][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.827366][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.827498][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.827665][  T261] RIP: 0033:0x7f449a51dbcb
[   11.827803][  T261] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.828276][  T261] RSP: 002b:00007ffe7afd0d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.828475][  T261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f449a51dbcb
[   11.828676][  T261] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.828874][  T261] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.829074][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7afd2fc0
[   11.829274][  T261] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7afd3868
| [   11.833050][  T261] ------------[ cut here ]------------
| [   11.833686][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/261
| [   11.833921][  T261] Modules linked in: nf_tables
| [   11.834384][  T261] Tainted: [W]=WARN
[   11.834486][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.834662][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.834836][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.835367][  T261] RSP: 0018:ffa00000006578f8 EFLAGS: 00010286
[   11.835543][  T261] RAX: 00000000ffffffa6 RBX: ff1100000b5783c0 RCX: 1ff40000000caee5
[   11.835742][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b57847c
[   11.835944][  T261] RBP: ff1100000ec0c000 R08: 1fe22000016af091 R09: ff1100000e6f0b80
[   11.836200][  T261] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.836400][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ec0c000
[   11.836606][  T261] FS:  00007f449a25b840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   11.836843][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.837010][  T261] CR2: 000055854ee36d5c CR3: 000000000cdcd006 CR4: 0000000000771ef0
[   11.837267][  T261] PKRU: 55555554
[   11.837368][  T261] Call Trace:
[   11.837469][  T261]  <TASK>
[   11.837541][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.837676][  T261]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.837810][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.837914][  T261]  register_netdevice (net/core/dev.c:11488)
[   11.838049][  T261]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.838270][  T261]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.838409][  T261]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.838548][  T261]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.838682][  T261]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.838817][  T261]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.838952][  T261]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.839086][  T261]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.839275][  T261]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.839413][  T261]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.839556][  T261]  ops_init (net/core/net_namespace.c:137)
[   11.839658][  T261]  setup_net (net/core/net_namespace.c:446)
[   11.839760][  T261]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.839894][  T261]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.840028][  T261]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.840220][  T261]  copy_net_ns (net/core/net_namespace.c:579)
[   11.840355][  T261]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.840495][  T261]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.840634][  T261]  ksys_unshare (kernel/fork.c:3243)
[   11.840767][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.840901][  T261]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.841035][  T261]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.841223][  T261]  ? __ia32_sys_open (fs/open.c:1374)
[   11.841359][  T261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.841501][  T261]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.841639][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.841772][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.841904][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.842043][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.842266][  T261] RIP: 0033:0x7f449a51dbcb
[   11.842406][  T261] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.842887][  T261] RSP: 002b:00007ffe7afd0d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.843088][  T261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f449a51dbcb
[   11.843344][  T261] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.843548][  T261] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.843747][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7afd2fc0
[   11.843945][  T261] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7afd3868
| [   11.852389][  T261] ------------[ cut here ]------------
| [   11.852580][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/261
| [   11.852861][  T261] Modules linked in: nf_tables
| [   11.853377][  T261] Tainted: [W]=WARN
[   11.853525][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.853746][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.853968][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.854547][  T261] RSP: 0018:ffa0000000657a78 EFLAGS: 00010286
[   11.854763][  T261] RAX: 00000000ffffffa6 RBX: ff11000008d44580 RCX: 1ff40000000caf15
[   11.855008][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4463c
[   11.855266][  T261] RBP: ff110000025d4000 R08: 1fe22000011a88c9 R09: ff1100000e6f0b80
[   11.855513][  T261] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.855766][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000025d4000
[   11.856015][  T261] FS:  00007f449a25b840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.856346][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.856572][  T261] CR2: 000055855f14ba18 CR3: 000000000cdcd002 CR4: 0000000000771ef0
[   11.856833][  T261] PKRU: 55555554
[   11.856980][  T261] Call Trace:
[   11.857140][  T261]  <TASK>
[   11.857257][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.857439][  T261]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.857626][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.857783][  T261]  register_netdevice (net/core/dev.c:11488)
[   11.857967][  T261]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.858193][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.858378][  T261]  register_netdev (net/core/dev.c:11552)
[   11.858566][  T261]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.858748][  T261]  ops_init (net/core/net_namespace.c:137)
[   11.858898][  T261]  setup_net (net/core/net_namespace.c:446)
[   11.859047][  T261]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.859241][  T261]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.859423][  T261]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.859612][  T261]  copy_net_ns (net/core/net_namespace.c:579)
[   11.859798][  T261]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.859982][  T261]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.860176][  T261]  ksys_unshare (kernel/fork.c:3243)
[   11.860360][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.860547][  T261]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.860729][  T261]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.860910][  T261]  ? __ia32_sys_open (fs/open.c:1374)
[   11.861107][  T261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.861287][  T261]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.861467][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.861657][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.861839][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.862021][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.862244][  T261] RIP: 0033:0x7f449a51dbcb
[   11.862429][  T261] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.862957][  T261] RSP: 002b:00007ffe7afd0d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.863216][  T261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f449a51dbcb
[   11.863462][  T261] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.863710][  T261] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.863954][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7afd2fc0
[   11.864211][  T261] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7afd3868
| [   11.869345][  T261] ------------[ cut here ]------------
| [   11.869541][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/261
| [   11.869827][  T261] Modules linked in: nf_tables
| [   11.870397][  T261] Tainted: [W]=WARN
[   11.870606][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.870880][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.871167][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.871740][  T261] RSP: 0018:ffa0000000657a68 EFLAGS: 00010286
[   11.872013][  T261] RAX: 00000000ffffffa6 RBX: ff1100000dabfc40 RCX: 1ff40000000caf13
[   11.872325][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabfcfc
[   11.872629][  T261] RBP: ff11000011b11000 R08: 1fe2200001b57fa1 R09: ff1100000e6f0b80
[   11.872925][  T261] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.873233][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011b11000
[   11.873545][  T261] FS:  00007f449a25b840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.873875][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.874155][  T261] CR2: 000055855f14ba18 CR3: 000000000cdcd002 CR4: 0000000000771ef0
[   11.874453][  T261] PKRU: 55555554
[   11.874662][  T261] Call Trace:
[   11.874864][  T261]  <TASK>
[   11.875031][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.875276][  T261]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.875508][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.875716][  T261]  register_netdevice (net/core/dev.c:11488)
[   11.875948][  T261]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.876221][  T261]  register_netdev (net/core/dev.c:11552)
[   11.876404][  T261]  sit_init_net (net/ipv6/sit.c:1860)
[   11.876598][  T261]  ops_init (net/core/net_namespace.c:137)
[   11.876750][  T261]  setup_net (net/core/net_namespace.c:446)
[   11.876899][  T261]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.877077][  T261]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.877269][  T261]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.877450][  T261]  copy_net_ns (net/core/net_namespace.c:579)
[   11.877643][  T261]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.877831][  T261]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.878011][  T261]  ksys_unshare (kernel/fork.c:3243)
[   11.878203][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.878382][  T261]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.878569][  T261]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.878751][  T261]  ? __ia32_sys_open (fs/open.c:1374)
[   11.878933][  T261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.879128][  T261]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.879307][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.879487][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.879675][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.879855][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.880068][  T261] RIP: 0033:0x7f449a51dbcb
[   11.880265][  T261] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.880787][  T261] RSP: 002b:00007ffe7afd0d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.881035][  T261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f449a51dbcb
[   11.881300][  T261] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.881551][  T261] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.881793][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7afd2fc0
[   11.882037][  T261] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7afd3868
| [   11.887351][  T261] ------------[ cut here ]------------
| [   11.887543][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/261
| [   11.887826][  T261] Modules linked in: nf_tables
| [   11.888341][  T261] Tainted: [W]=WARN
[   11.888488][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.888708][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.888929][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.889519][  T261] RSP: 0018:ffa0000000657a78 EFLAGS: 00010286
[   11.889794][  T261] RAX: 00000000ffffffa6 RBX: ff1100000ee8e200 RCX: 1ff40000000caf15
[   11.890158][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee8e2bc
[   11.890465][  T261] RBP: ff1100001023c000 R08: 1fe2200001dd1c59 R09: ff1100000e6f0b80
[   11.890770][  T261] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.891068][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001023c000
[   11.891384][  T261] FS:  00007f449a25b840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   11.891725][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.891993][  T261] CR2: 000055855f14ba18 CR3: 000000000cdcd002 CR4: 0000000000771ef0
[   11.892301][  T261] PKRU: 55555554
[   11.892499][  T261] Call Trace:
[   11.892699][  T261]  <TASK>
[   11.892868][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.893112][  T261]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.893344][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.893552][  T261]  register_netdevice (net/core/dev.c:11488)
[   11.893789][  T261]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.894050][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.894297][  T261]  register_netdev (net/core/dev.c:11552)
[   11.894540][  T261]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.894772][  T261]  ops_init (net/core/net_namespace.c:137)
[   11.894972][  T261]  setup_net (net/core/net_namespace.c:446)
[   11.895184][  T261]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.895421][  T261]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.895660][  T261]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.895929][  T261]  copy_net_ns (net/core/net_namespace.c:579)
[   11.896176][  T261]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.896409][  T261]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.896651][  T261]  ksys_unshare (kernel/fork.c:3243)
[   11.896886][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.897135][  T261]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.897356][  T261]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.897543][  T261]  ? __ia32_sys_open (fs/open.c:1374)
[   11.897726][  T261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.897904][  T261]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.898082][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.898275][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.898457][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.898643][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.898857][  T261] RIP: 0033:0x7f449a51dbcb
[   11.899040][  T261] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.899570][  T261] RSP: 002b:00007ffe7afd0d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.899820][  T261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f449a51dbcb
[   11.900061][  T261] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.900310][  T261] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.900558][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7afd2fc0
[   11.900804][  T261] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7afd3868
| [   11.925077][  T262] ------------[ cut here ]------------
| [   11.925245][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/262
| [   11.925481][  T262] Modules linked in: nf_tables
| [   11.925889][  T262] Tainted: [W]=WARN
[   11.925989][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.926162][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.926332][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.926806][  T262] RSP: 0018:ffa0000000637020 EFLAGS: 00010286
[   11.926972][  T262] RAX: 00000000ffffffa6 RBX: ff1100000c37d000 RCX: 1ff40000000c6dca
[   11.927173][  T262] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37d0bc
[   11.927371][  T262] RBP: ff110000093b9000 R08: 1fe220000186fa19 R09: ff1100000e6f2e58
[   11.927569][  T262] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.927766][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.927963][  T262] FS:  00007f684d089840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   11.928202][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.928367][  T262] CR2: 0000000024a76988 CR3: 0000000010174004 CR4: 0000000000771ef0
[   11.928568][  T262] PKRU: 55555554
[   11.928668][  T262] Call Trace:
[   11.928767][  T262]  <TASK>
[   11.928835][  T262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.928969][  T262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.929072][  T262]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.929706][  T262]  __dev_notify_flags (net/core/dev.c:9787)
[   11.929841][  T262]  ? netif_change_name (net/core/dev.c:1495)
[   11.929973][  T262]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.930111][  T262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.930242][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.930375][  T262]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.930510][  T262]  netif_change_flags (net/core/dev.c:9820)
[   11.930647][  T262]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.930781][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.930917][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.931050][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.931221][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.931354][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.931487][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.931624][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.931759][  T262]  ? __kernel_text_address (kernel/extable.c:79)
[   11.931893][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.932026][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.932163][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.932298][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.932430][  T262]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.932565][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.932697][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.932829][  T262]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.932962][  T262]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.933100][  T262]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.933232][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.933366][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.933502][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.933643][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.933776][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.933908][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.934039][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.934175][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.934306][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.934443][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.934577][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.934709][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.934841][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.934974][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.935110][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.935244][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.935375][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.935507][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.935646][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.935776][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.935908][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.936042][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.936180][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.936315][  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))
[   11.936448][  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))
[   11.936589][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.936722][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.936854][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.936988][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.937127][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.937260][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.937395][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.937529][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.937665][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.937828][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   11.937962][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.938099][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.938232][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   11.938363][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.938533][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.938678][  T262]  __sys_sendmsg (net/socket.c:2784)
[   11.938812][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.938944][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.939113][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.939246][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.939379][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.939513][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.939652][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.939783][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.939946][  T262] RIP: 0033:0x7f684d2c308e
[   11.940084][  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
[   11.940568][  T262] RSP: 002b:00007ffcd9acb700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.940766][  T262] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f684d2c308e
[   11.940964][  T262] RDX: 0000000000000000 RSI: 00007ffcd9acb7b0 RDI: 0000000000000005
[   11.941166][  T262] RBP: 00007ffcd9acb710 R08: 0000000000000000 R09: 0000000000000000
[   11.941365][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   11.941570][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd9acbe80
| [   12.083627][  T267] ------------[ cut here ]------------
| [   12.083819][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/267
| [   12.084061][  T267] Modules linked in: nf_tables
| [   12.084516][  T267] Tainted: [W]=WARN
[   12.084622][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.084788][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.084960][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.085629][  T267] RSP: 0018:ffa0000000847a80 EFLAGS: 00010286
[   12.085795][  T267] RAX: 00000000ffffffa6 RBX: ff1100000943be00 RCX: 1ff4000000108f16
[   12.085991][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000943bebc
[   12.086191][  T267] RBP: ff1100000a854000 R08: 1fe22000012877d9 R09: ff1100000fb32e80
[   12.086385][  T267] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.086585][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a854000
[   12.086781][  T267] FS:  00007fcdc0057840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.087011][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.087427][  T267] CR2: 00007fcdc02617d0 CR3: 000000000508e002 CR4: 0000000000771ef0
[   12.087629][  T267] PKRU: 55555554
[   12.087727][  T267] Call Trace:
[   12.087826][  T267]  <TASK>
[   12.087895][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.088028][  T267]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.088165][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.088264][  T267]  register_netdevice (net/core/dev.c:11488)
[   12.088397][  T267]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.088571][  T267]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.088704][  T267]  register_netdev (net/core/dev.c:11552)
[   12.088835][  T267]  loopback_net_init (drivers/net/loopback.c:218)
[   12.088989][  T267]  ops_init (net/core/net_namespace.c:137)
[   12.089091][  T267]  setup_net (net/core/net_namespace.c:446)
[   12.089196][  T267]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.089325][  T267]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.089457][  T267]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.089596][  T267]  copy_net_ns (net/core/net_namespace.c:579)
[   12.089727][  T267]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.089878][  T267]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.090013][  T267]  ksys_unshare (kernel/fork.c:3243)
[   12.090150][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.090317][  T267]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.090455][  T267]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.090593][  T267]  ? __ia32_sys_open (fs/open.c:1374)
[   12.090725][  T267]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.090855][  T267]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.090985][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.091122][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.091253][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.091388][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.091558][  T267] RIP: 0033:0x7fcdc0319bcb
[   12.091696][  T267] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.092165][  T267] RSP: 002b:00007ffca6645ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.092361][  T267] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcdc0319bcb
[   12.092559][  T267] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.092781][  T267] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.092976][  T267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca6647d00
[   12.093202][  T267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca6649868
| [   12.097485][  T267] ------------[ cut here ]------------
| [   12.097637][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/267
| [   12.097862][  T267] Modules linked in: nf_tables
| [   12.098316][  T267] Tainted: [W]=WARN
[   12.098459][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.098667][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.098835][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.099304][  T267] RSP: 0018:ffa0000000847918 EFLAGS: 00010286
[   12.099466][  T267] RAX: 00000000ffffffa6 RBX: ff110000095f2ac0 RCX: 1ff4000000108ee9
[   12.099668][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095f2b7c
[   12.099867][  T267] RBP: ff1100000ed39000 R08: 1fe22000012be571 R09: ff1100000fb32e80
[   12.100062][  T267] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.100287][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ed39000
[   12.100484][  T267] FS:  00007fcdc0057840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.100714][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.100885][  T267] CR2: 00007fcdc02617d0 CR3: 000000000508e002 CR4: 0000000000771ef0
[   12.101084][  T267] PKRU: 55555554
[   12.101189][  T267] Call Trace:
[   12.101285][  T267]  <TASK>
[   12.101355][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.101489][  T267]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.101624][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.101724][  T267]  register_netdevice (net/core/dev.c:11488)
[   12.101860][  T267]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.102037][  T267]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.102173][  T267]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.102303][  T267]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.102433][  T267]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.102577][  T267]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.102712][  T267]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.102849][  T267]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   12.102990][  T267]  ops_init (net/core/net_namespace.c:137)
[   12.103092][  T267]  setup_net (net/core/net_namespace.c:446)
[   12.103198][  T267]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.103332][  T267]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.103469][  T267]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.103611][  T267]  copy_net_ns (net/core/net_namespace.c:579)
[   12.103748][  T267]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.103895][  T267]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.104031][  T267]  ksys_unshare (kernel/fork.c:3243)
[   12.104173][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.104309][  T267]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.104444][  T267]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.104587][  T267]  ? __ia32_sys_open (fs/open.c:1374)
[   12.104724][  T267]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.104857][  T267]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.104992][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.105127][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.105257][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.105400][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.105572][  T267] RIP: 0033:0x7fcdc0319bcb
[   12.105708][  T267] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.106170][  T267] RSP: 002b:00007ffca6645ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.106364][  T267] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcdc0319bcb
[   12.106563][  T267] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.106758][  T267] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.106972][  T267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca6647d00
[   12.107171][  T267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca6649868
| [   12.111133][  T267] ------------[ cut here ]------------
| [   12.111280][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/267
| [   12.111516][  T267] Modules linked in: nf_tables
| [   12.111927][  T267] Tainted: [W]=WARN
[   12.112026][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.112194][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.112370][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.112849][  T267] RSP: 0018:ffa00000008478f8 EFLAGS: 00010286
[   12.113014][  T267] RAX: 00000000ffffffa6 RBX: ff1100000b579000 RCX: 1ff4000000108ee5
[   12.113213][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5790bc
[   12.113412][  T267] RBP: ff1100000f809000 R08: 1fe22000016af219 R09: ff1100000fb32e80
[   12.113646][  T267] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.113863][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f809000
[   12.114072][  T267] FS:  00007fcdc0057840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.114302][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.114477][  T267] CR2: 00007fcdc02617d0 CR3: 000000000508e002 CR4: 0000000000771ef0
[   12.114679][  T267] PKRU: 55555554
[   12.114777][  T267] Call Trace:
[   12.114878][  T267]  <TASK>
[   12.114947][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.115078][  T267]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.115214][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.115315][  T267]  register_netdevice (net/core/dev.c:11488)
[   12.115450][  T267]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.115638][  T267]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.115777][  T267]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.115913][  T267]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.116047][  T267]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.116197][  T267]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.116347][  T267]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.116483][  T267]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.116665][  T267]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.116862][  T267]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.117046][  T267]  ops_init (net/core/net_namespace.c:137)
[   12.117154][  T267]  setup_net (net/core/net_namespace.c:446)
[   12.117254][  T267]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.117387][  T267]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.117519][  T267]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.117658][  T267]  copy_net_ns (net/core/net_namespace.c:579)
[   12.117796][  T267]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.117939][  T267]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.118095][  T267]  ksys_unshare (kernel/fork.c:3243)
[   12.118236][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.118377][  T267]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.118508][  T267]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.118647][  T267]  ? __ia32_sys_open (fs/open.c:1374)
[   12.118778][  T267]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.118921][  T267]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.119056][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.119195][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.119334][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.119469][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.119644][  T267] RIP: 0033:0x7fcdc0319bcb
[   12.119782][  T267] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.120250][  T267] RSP: 002b:00007ffca6645ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.120447][  T267] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcdc0319bcb
[   12.120651][  T267] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.120844][  T267] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.121064][  T267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca6647d00
[   12.121262][  T267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca6649868
| [   12.125590][  T267] ------------[ cut here ]------------
| [   12.125750][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/267
| [   12.125972][  T267] Modules linked in: nf_tables
| [   12.126379][  T267] Tainted: [W]=WARN
[   12.126477][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.126646][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.126815][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.127274][  T267] RSP: 0018:ffa0000000847a78 EFLAGS: 00010286
[   12.127436][  T267] RAX: 00000000ffffffa6 RBX: ff1100000bc77380 RCX: 1ff4000000108f15
[   12.127661][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc7743c
[   12.127879][  T267] RBP: ff110000101b1000 R08: 1fe220000178ee89 R09: ff1100000fb32e80
[   12.128093][  T267] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.128296][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101b1000
[   12.128525][  T267] FS:  00007fcdc0057840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.128770][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.128943][  T267] CR2: 00007fcdc02617d0 CR3: 000000000508e002 CR4: 0000000000771ef0
[   12.129141][  T267] PKRU: 55555554
[   12.129237][  T267] Call Trace:
[   12.129333][  T267]  <TASK>
[   12.129400][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.129537][  T267]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.129672][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.129771][  T267]  register_netdevice (net/core/dev.c:11488)
[   12.129900][  T267]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.130060][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.130198][  T267]  register_netdev (net/core/dev.c:11552)
[   12.130326][  T267]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.130459][  T267]  ops_init (net/core/net_namespace.c:137)
[   12.130607][  T267]  setup_net (net/core/net_namespace.c:446)
[   12.130713][  T267]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.130843][  T267]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.130972][  T267]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.131109][  T267]  copy_net_ns (net/core/net_namespace.c:579)
[   12.131240][  T267]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.131372][  T267]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.131500][  T267]  ksys_unshare (kernel/fork.c:3243)
[   12.131637][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.131767][  T267]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.131896][  T267]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.132027][  T267]  ? __ia32_sys_open (fs/open.c:1374)
[   12.132163][  T267]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.132293][  T267]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.132421][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.132565][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.132801][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.132985][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.133152][  T267] RIP: 0033:0x7fcdc0319bcb
[   12.133302][  T267] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.133774][  T267] RSP: 002b:00007ffca6645ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.134057][  T267] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcdc0319bcb
[   12.134253][  T267] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.134535][  T267] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.134728][  T267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca6647d00
[   12.134947][  T267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca6649868
| [   12.141760][  T267] ------------[ cut here ]------------
| [   12.141924][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/267
| [   12.142176][  T267] Modules linked in: nf_tables
| [   12.142582][  T267] Tainted: [W]=WARN
[   12.142678][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.142839][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.143008][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.143477][  T267] RSP: 0018:ffa0000000847a68 EFLAGS: 00010286
[   12.143644][  T267] RAX: 00000000ffffffa6 RBX: ff110000095f3e00 RCX: 1ff4000000108f13
[   12.143836][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095f3ebc
[   12.144030][  T267] RBP: ff1100000ed5c000 R08: 1fe22000012be7d9 R09: ff1100000fb32e80
[   12.144229][  T267] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.144422][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ed5c000
[   12.144621][  T267] FS:  00007fcdc0057840(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   12.144848][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.145011][  T267] CR2: 00007ffc947e3ff8 CR3: 000000000508e005 CR4: 0000000000771ef0
[   12.145221][  T267] PKRU: 55555554
[   12.145319][  T267] Call Trace:
[   12.145415][  T267]  <TASK>
[   12.145482][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.145777][  T267]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.145908][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.146008][  T267]  register_netdevice (net/core/dev.c:11488)
[   12.146142][  T267]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.146308][  T267]  register_netdev (net/core/dev.c:11552)
[   12.146437][  T267]  sit_init_net (net/ipv6/sit.c:1860)
[   12.146572][  T267]  ops_init (net/core/net_namespace.c:137)
[   12.146670][  T267]  setup_net (net/core/net_namespace.c:446)
[   12.146790][  T267]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.146923][  T267]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.147052][  T267]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.147193][  T267]  copy_net_ns (net/core/net_namespace.c:579)
[   12.147327][  T267]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.147465][  T267]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.147658][  T267]  ksys_unshare (kernel/fork.c:3243)
[   12.147787][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.147915][  T267]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.148071][  T267]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.148213][  T267]  ? __ia32_sys_open (fs/open.c:1374)
[   12.148345][  T267]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.148473][  T267]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.148608][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.148739][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.148868][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.148997][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.149164][  T267] RIP: 0033:0x7fcdc0319bcb
[   12.149302][  T267] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.149794][  T267] RSP: 002b:00007ffca6645ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.149990][  T267] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcdc0319bcb
[   12.150208][  T267] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.150421][  T267] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.150627][  T267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca6647d00
[   12.150839][  T267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca6649868
| [   12.156446][  T267] ------------[ cut here ]------------
| [   12.156631][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/267
| [   12.156875][  T267] Modules linked in: nf_tables
| [   12.157296][  T267] Tainted: [W]=WARN
[   12.157442][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.157627][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.157798][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.158334][  T267] RSP: 0018:ffa0000000847a78 EFLAGS: 00010286
[   12.158500][  T267] RAX: 00000000ffffffa6 RBX: ff1100001028a3c0 RCX: 1ff4000000108f15
[   12.158702][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028a47c
[   12.158896][  T267] RBP: ff1100000e779000 R08: 1fe2200002051491 R09: ff1100000fb32e80
[   12.159090][  T267] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.159340][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e779000
[   12.159601][  T267] FS:  00007fcdc0057840(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   12.159864][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.160027][  T267] CR2: 00007ffc947e3ff8 CR3: 000000000508e005 CR4: 0000000000771ef0
[   12.160276][  T267] PKRU: 55555554
[   12.160376][  T267] Call Trace:
[   12.160473][  T267]  <TASK>
[   12.160545][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.160676][  T267]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.160806][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.160905][  T267]  register_netdevice (net/core/dev.c:11488)
[   12.161037][  T267]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.161254][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.161399][  T267]  register_netdev (net/core/dev.c:11552)
[   12.161527][  T267]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.161660][  T267]  ops_init (net/core/net_namespace.c:137)
[   12.161766][  T267]  setup_net (net/core/net_namespace.c:446)
[   12.161864][  T267]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.161993][  T267]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.162176][  T267]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.162336][  T267]  copy_net_ns (net/core/net_namespace.c:579)
[   12.162467][  T267]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.162604][  T267]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.162735][  T267]  ksys_unshare (kernel/fork.c:3243)
[   12.162867][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.162996][  T267]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.163182][  T267]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.163312][  T267]  ? __ia32_sys_open (fs/open.c:1374)
[   12.163442][  T267]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.163602][  T267]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.163736][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.163869][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.164002][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.164188][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.164348][  T267] RIP: 0033:0x7fcdc0319bcb
[   12.164481][  T267] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.165055][  T267] RSP: 002b:00007ffca6645ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.165307][  T267] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fcdc0319bcb
[   12.165500][  T267] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.165740][  T267] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.165936][  T267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca6647d00
[   12.166198][  T267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca6649868
| [   12.193979][  T268] ------------[ cut here ]------------
| [   12.194176][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/268
| [   12.194447][  T268] Modules linked in: nf_tables
| [   12.194973][  T268] Tainted: [W]=WARN
[   12.195129][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.195338][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.195559][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.196109][  T268] RSP: 0018:ffa00000009c7020 EFLAGS: 00010286
[   12.196323][  T268] RAX: 00000000ffffffa6 RBX: ff1100000ee918c0 RCX: 1ff4000000138dca
[   12.196571][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee9197c
[   12.196819][  T268] RBP: ff1100000a854000 R08: 1fe2200001dd2331 R09: ff1100000fb30b58
[   12.197062][  T268] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.197632][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.197966][  T268] FS:  00007f318b0dd840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   12.198306][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.198580][  T268] CR2: 00000000019b6988 CR3: 0000000009587004 CR4: 0000000000771ef0
[   12.198819][  T268] PKRU: 55555554
[   12.198962][  T268] Call Trace:
[   12.199119][  T268]  <TASK>
[   12.199238][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.199417][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.199572][  T268]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.199760][  T268]  __dev_notify_flags (net/core/dev.c:9787)
[   12.199943][  T268]  ? netif_change_name (net/core/dev.c:1495)
[   12.200132][  T268]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.200308][  T268]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.200489][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.200677][  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))
[   12.200857][  T268]  netif_change_flags (net/core/dev.c:9820)
[   12.201036][  T268]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.201225][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.201407][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.201593][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.201806][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.201985][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.202179][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.202359][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.202546][  T268]  ? __kernel_text_address (kernel/extable.c:79)
[   12.202774][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.202954][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.203156][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.203342][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.203527][  T268]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.203712][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.203921][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.204126][  T268]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.204303][  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)
[   12.204484][  T268]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.204669][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.204850][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.205031][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.205224][  T268]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.205405][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.205591][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.205788][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.205970][  T268]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.206159][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.206340][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.206515][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.206699][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.206876][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.207054][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.207244][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.207447][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.207643][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.207820][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.207999][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.208200][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.208377][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.208562][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.208743][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.208924][  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))
[   12.209111][  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))
[   12.209290][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.209471][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.209656][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.209832][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.210010][  T268]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.210216][  T268]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.210399][  T268]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.210586][  T268]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.210762][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.210966][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   12.211156][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.211335][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.211515][  T268]  ___sys_sendmsg (net/socket.c:2752)
[   12.211698][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.211908][  T268]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.212109][  T268]  __sys_sendmsg (net/socket.c:2784)
[   12.212285][  T268]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.212459][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.212677][  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)
[   12.212857][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.213036][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.213246][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.213419][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.213606][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.213824][  T268] RIP: 0033:0x7f318b31708e
[   12.214009][  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
[   12.214527][  T268] RSP: 002b:00007ffc73b1c530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.214776][  T268] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f318b31708e
[   12.215224][  T268] RDX: 0000000000000000 RSI: 00007ffc73b1c5e0 RDI: 0000000000000005
[   12.215465][  T268] RBP: 00007ffc73b1c540 R08: 0000000000000000 R09: 0000000000000000
[   12.215726][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.215968][  T268] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc73b1ccb0
| [   12.331614][  T273] ------------[ cut here ]------------
| [   12.331794][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/273
| [   12.332029][  T273] Modules linked in: nf_tables
| [   12.332910][  T273] Tainted: [W]=WARN
[   12.333014][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.333191][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.333368][  T273] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.333859][  T273] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[   12.334032][  T273] RAX: 00000000ffffffa6 RBX: ff11000008d451c0 RCX: 1ff4000000114d8c
[   12.334241][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4527c
[   12.334443][  T273] RBP: ff1100000e7e4000 R08: 1fe22000011a8a51 R09: ff1100000fd4d180
[   12.334649][  T273] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.334849][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab2958c
[   12.335054][  T273] FS:  00007fa186b27840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.335301][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.335473][  T273] CR2: 000000000042ebe0 CR3: 0000000005047002 CR4: 0000000000771ef0
[   12.335688][  T273] PKRU: 55555554
[   12.335795][  T273] Call Trace:
[   12.335899][  T273]  <TASK>
[   12.335970][  T273]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.336149][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.336288][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.336388][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.336520][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.336665][  T273]  __dev_notify_flags (net/core/dev.c:9787)
[   12.336801][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.336936][  T273]  ? netif_change_name (net/core/dev.c:1495)
[   12.337070][  T273]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   12.337210][  T273]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   12.337381][  T273]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   12.337563][  T273]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.337698][  T273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.337833][  T273]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.337971][  T273]  veth_newlink (drivers/net/veth.c:1871)
[   12.338114][  T273]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.338252][  T273]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.338392][  T273]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.338530][  T273]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.338700][  T273]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.338839][  T273]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.338981][  T273]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.339123][  T273]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.339260][  T273]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.339399][  T273]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.339544][  T273]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.339679][  T273]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.339813][  T273]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.339955][  T273]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.340100][  T273]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.340239][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.340374][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.340509][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.340651][  T273]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.340788][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.340927][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.341066][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.341207][  T273]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.341343][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.341482][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.341626][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.341764][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.341910][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.342045][  T273]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.342184][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.342316][  T273]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.342452][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.342589][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.342726][  T273]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.342861][  T273]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.342995][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.343190][  T273]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.343325][  T273]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.343459][  T273]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.343598][  T273]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.343732][  T273]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.343866][  T273]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.344032][  T273]  ? move_addr_to_kernel (net/socket.c:258)
[   12.344226][  T273]  ___sys_sendmsg (net/socket.c:2752)
[   12.344360][  T273]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.344498][  T273]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.344673][  T273]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.344807][  T273]  __sys_sendmsg (net/socket.c:2784)
[   12.344942][  T273]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.345079][  T273]  ? 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)
[   12.345274][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.345409][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.345557][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.345688][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.345819][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.345984][  T273] RIP: 0033:0x7fa186d6108e
[   12.346187][  T273] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.346664][  T273] RSP: 002b:00007ffe6798deb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.346865][  T273] RAX: ffffffffffffffda RBX: 00007ffe6798e658 RCX: 00007fa186d6108e
[   12.347088][  T273] RDX: 0000000000000000 RSI: 00007ffe6798df60 RDI: 0000000000000005
[   12.347342][  T273] RBP: 00007ffe6798dec0 R08: 0000000000000000 R09: 0000000000000000
[   12.347544][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.347743][  T273] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6798e620
| [   12.361740][  T273] ------------[ cut here ]------------
| [   12.361914][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/273
| [   12.362164][  T273] Modules linked in: nf_tables
| [   12.362656][  T273] Tainted: [W]=WARN
[   12.362764][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.362938][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.363122][  T273] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.363597][  T273] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[   12.363767][  T273] RAX: 00000000ffffffa6 RBX: ff1100000dfd6740 RCX: 1ff4000000114dfc
[   12.363968][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd67fc
[   12.364174][  T273] RBP: ff1100000e7e1000 R08: 1fe2200001bfad01 R09: ff1100000fd4d180
[   12.364374][  T273] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.364578][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   12.364777][  T273] FS:  00007fa186b27840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   12.365010][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.365185][  T273] CR2: 000055854ee36d5c CR3: 0000000005047004 CR4: 0000000000771ef0
[   12.365386][  T273] PKRU: 55555554
[   12.365486][  T273] Call Trace:
[   12.365589][  T273]  <TASK>
[   12.365658][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.365793][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.365896][  T273]  __dev_notify_flags (net/core/dev.c:9787)
[   12.366030][  T273]  ? netif_change_name (net/core/dev.c:1495)
[   12.366172][  T273]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.366305][  T273]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.366440][  T273]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.366577][  T273]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.366711][  T273]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.366842][  T273]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.366974][  T273]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.367118][  T273]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.367257][  T273]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.367394][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.367527][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.367662][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.367795][  T273]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.367926][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.368070][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.368210][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.368344][  T273]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.368476][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.368612][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.368743][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.368877][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.369009][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.369154][  T273]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.369289][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.369422][  T273]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.369562][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.369695][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.369837][  T273]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.369972][  T273]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.370109][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.370242][  T273]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.370374][  T273]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.370510][  T273]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.370652][  T273]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.370786][  T273]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.370919][  T273]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.371085][  T273]  ? move_addr_to_kernel (net/socket.c:258)
[   12.371233][  T273]  ___sys_sendmsg (net/socket.c:2752)
[   12.371366][  T273]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.371504][  T273]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.371712][  T273]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.371850][  T273]  __sys_sendmsg (net/socket.c:2784)
[   12.371983][  T273]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.372126][  T273]  ? 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)
[   12.372260][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.372394][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.372527][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.372665][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.372798][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.372964][  T273] RIP: 0033:0x7fa186d6108e
[   12.373111][  T273] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.373590][  T273] RSP: 002b:00007ffe6798deb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.373791][  T273] RAX: ffffffffffffffda RBX: 00007ffe6798e658 RCX: 00007fa186d6108e
[   12.373988][  T273] RDX: 0000000000000000 RSI: 00007ffe6798df60 RDI: 0000000000000005
[   12.374192][  T273] RBP: 00007ffe6798dec0 R08: 0000000000000000 R09: 0000000000000000
[   12.374390][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.374591][  T273] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6798e620
| [   12.409269][  T275] ------------[ cut here ]------------
| [   12.409470][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/275
| [   12.409760][  T275] Modules linked in: nf_tables
| [   12.410281][  T275] Tainted: [W]=WARN
[   12.410431][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.410656][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.410891][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.411529][  T275] RSP: 0018:ffa0000000846e30 EFLAGS: 00010286
[   12.411834][  T275] RAX: 00000000ffffffa6 RBX: ff1100000dabfe00 RCX: 1ff4000000108d8c
[   12.412165][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabfebc
[   12.412485][  T275] RBP: ff1100000df74000 R08: 1fe2200001b57fd9 R09: ff1100000ffd2e80
[   12.412793][  T275] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.413114][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000587440c
[   12.413390][  T275] FS:  00007f54e1c2e840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   12.413700][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.413964][  T275] CR2: 000000000042ebe0 CR3: 000000000ff0d005 CR4: 0000000000771ef0
[   12.414236][  T275] PKRU: 55555554
[   12.414386][  T275] Call Trace:
[   12.414542][  T275]  <TASK>
[   12.414659][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.414845][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.414997][  T275]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.415225][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   12.415411][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   12.415600][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.415785][  T275]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.415968][  T275]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.416165][  T275]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.416351][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.416542][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.416726][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.416907][  T275]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.417091][  T275]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.417291][  T275]  veth_newlink (drivers/net/veth.c:1871)
[   12.417478][  T275]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.417668][  T275]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.417851][  T275]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.418035][  T275]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.418264][  T275]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.418447][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.418641][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.418824][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.419008][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.419205][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.419392][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.419581][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.419764][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.419954][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.420151][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.420336][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.420519][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.420713][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.420897][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.421080][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.421279][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.421466][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.421659][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.421844][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.422027][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.422221][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.422405][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.422593][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.422782][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.422965][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.423161][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.423348][  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))
[   12.423530][  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))
[   12.423722][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.423906][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.424089][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.424289][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.424472][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.424664][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.424849][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.425032][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.425228][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.425441][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.425641][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   12.425826][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.426013][  T275]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.426246][  T275]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.426431][  T275]  __sys_sendmsg (net/socket.c:2784)
[   12.426627][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.426817][  T275]  ? 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)
[   12.427005][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.427207][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.427389][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.427580][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.427765][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.427979][  T275] RIP: 0033:0x7f54e1e6808e
[   12.428181][  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
[   12.428715][  T275] RSP: 002b:00007ffce9fd7c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.428967][  T275] RAX: ffffffffffffffda RBX: 00007ffce9fd83d8 RCX: 00007f54e1e6808e
[   12.429230][  T275] RDX: 0000000000000000 RSI: 00007ffce9fd7ce0 RDI: 0000000000000005
[   12.429480][  T275] RBP: 00007ffce9fd7c40 R08: 0000000000000000 R09: 0000000000000000
[   12.429738][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.429989][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce9fd83a0
| [   12.444654][  T275] ------------[ cut here ]------------
| [   12.444812][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/275
| [   12.445056][  T275] Modules linked in: nf_tables
| [   12.445492][  T275] Tainted: [W]=WARN
[   12.445599][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.445773][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.445952][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.446445][  T275] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[   12.446625][  T275] RAX: 00000000ffffffa6 RBX: ff1100000e555c40 RCX: 1ff4000000108dfc
[   12.446833][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e555cfc
[   12.447040][  T275] RBP: ff1100000df71000 R08: 1fe2200001caaba1 R09: ff1100000ffd2e80
[   12.447256][  T275] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.447461][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   12.447673][  T275] FS:  00007f54e1c2e840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   12.447916][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.448088][  T275] CR2: 00007ffc884e7a48 CR3: 000000000ff0d006 CR4: 0000000000771ef0
[   12.448302][  T275] PKRU: 55555554
[   12.448406][  T275] Call Trace:
[   12.448509][  T275]  <TASK>
[   12.448585][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.448723][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.448829][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   12.448967][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   12.449111][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.449249][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.449389][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.449528][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.449672][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.449810][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.449951][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.450101][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.450244][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.450384][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.450523][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.450664][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.450803][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.450938][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.451082][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.451303][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.451440][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.451582][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.451718][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.451855][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.451995][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.452140][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.452279][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.452414][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.452558][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.452700][  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))
[   12.452838][  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))
[   12.452980][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.453124][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.453262][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.453401][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.453543][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.453682][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.453823][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.453962][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.454105][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.454278][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.454420][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   12.454564][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.454706][  T275]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.454883][  T275]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.455023][  T275]  __sys_sendmsg (net/socket.c:2784)
[   12.455167][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.455310][  T275]  ? 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)
[   12.455452][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.455595][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.455732][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.455870][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.456008][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.456182][  T275] RIP: 0033:0x7f54e1e6808e
[   12.456327][  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
[   12.456823][  T275] RSP: 002b:00007ffce9fd7c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.457034][  T275] RAX: ffffffffffffffda RBX: 00007ffce9fd83d8 RCX: 00007f54e1e6808e
[   12.457244][  T275] RDX: 0000000000000000 RSI: 00007ffce9fd7ce0 RDI: 0000000000000005
[   12.457453][  T275] RBP: 00007ffce9fd7c40 R08: 0000000000000000 R09: 0000000000000000
[   12.457663][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.457870][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce9fd83a0
| [   12.488108][  T277] ------------[ cut here ]------------
| [   12.488274][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/277
| [   12.488509][  T277] Modules linked in: nf_tables
| [   12.488937][  T277] Tainted: [W]=WARN
[   12.489040][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.489216][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.489392][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.489884][  T277] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   12.490056][  T277] RAX: 00000000ffffffa6 RBX: ff1100000debc040 RCX: 1ff4000000126d8c
[   12.490268][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000debc0fc
[   12.490471][  T277] RBP: ff1100000c779000 R08: 1fe2200001bd7821 R09: ff1100000eff2e80
[   12.490681][  T277] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.490884][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c485c8c
[   12.491089][  T277] FS:  00007f9dd0b1f840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.491333][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.491505][  T277] CR2: 000000000042ebe0 CR3: 0000000004c00005 CR4: 0000000000771ef0
[   12.491717][  T277] PKRU: 55555554
[   12.491821][  T277] Call Trace:
[   12.491924][  T277]  <TASK>
[   12.491994][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.492146][  T277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.492284][  T277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.492389][  T277]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.492527][  T277]  __dev_notify_flags (net/core/dev.c:9787)
[   12.492670][  T277]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.492807][  T277]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.492943][  T277]  ? netif_change_name (net/core/dev.c:1495)
[   12.493080][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.493282][  T277]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.493418][  T277]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.493614][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.493754][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.493893][  T277]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.494031][  T277]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.494225][  T277]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.494363][  T277]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.494501][  T277]  veth_newlink (drivers/net/veth.c:1871)
[   12.494644][  T277]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.494780][  T277]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.494917][  T277]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.495053][  T277]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.495261][  T277]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.495399][  T277]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.495541][  T277]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.495679][  T277]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.495818][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.495957][  T277]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.496151][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.496289][  T277]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.496426][  T277]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.496574][  T277]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.496716][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.496856][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.496992][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.497197][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.497335][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.497471][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.497617][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.497757][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.497894][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.498031][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.498258][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.498395][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.498537][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.498673][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.498813][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.498951][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.499089][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.499328][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.499466][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.499610][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.499748][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.499885][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.500025][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.500234][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.500373][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.500512][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.500655][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.500794][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.500967][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   12.501172][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   12.501311][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.501454][  T277]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.501636][  T277]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.501777][  T277]  __sys_sendmsg (net/socket.c:2784)
[   12.501914][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.502055][  T277]  ? 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)
[   12.502234][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.502370][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.502508][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.502648][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.502784][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.502954][  T277] RIP: 0033:0x7f9dd0d5908e
[   12.503103][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.503599][  T277] RSP: 002b:00007ffe7a8b2860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.503807][  T277] RAX: ffffffffffffffda RBX: 00007ffe7a8b3008 RCX: 00007f9dd0d5908e
[   12.504012][  T277] RDX: 0000000000000000 RSI: 00007ffe7a8b2910 RDI: 0000000000000005
[   12.504221][  T277] RBP: 00007ffe7a8b2870 R08: 0000000000000000 R09: 0000000000000000
[   12.504426][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.504636][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7a8b2fd0
| [   12.519150][  T277] ------------[ cut here ]------------
| [   12.519306][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/277
| [   12.519563][  T277] Modules linked in: nf_tables
| [   12.520125][  T277] Tainted: [W]=WARN
[   12.520262][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.520433][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.520614][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.521104][  T277] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   12.521276][  T277] RAX: 00000000ffffffa6 RBX: ff1100000b8fcc80 RCX: 1ff4000000126dfc
[   12.521477][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8fcd3c
[   12.521680][  T277] RBP: ff110000098c4000 R08: 1fe220000171f9a9 R09: ff1100000eff2e80
[   12.521880][  T277] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.522081][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   12.522289][  T277] FS:  00007f9dd0b1f840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.522525][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.522700][  T277] CR2: 000000000042ebe0 CR3: 0000000004c00005 CR4: 0000000000771ef0
[   12.522905][  T277] PKRU: 55555554
[   12.523005][  T277] Call Trace:
[   12.523109][  T277]  <TASK>
[   12.523182][  T277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.523321][  T277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.523424][  T277]  __dev_notify_flags (net/core/dev.c:9787)
[   12.523565][  T277]  ? netif_change_name (net/core/dev.c:1495)
[   12.523702][  T277]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.523839][  T277]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.523975][  T277]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.524115][  T277]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.524254][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.524391][  T277]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.524525][  T277]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.524671][  T277]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.524812][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.524948][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.525082][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.525821][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.525960][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.526100][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.526241][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.526376][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.526515][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.526656][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.526792][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.526927][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.527063][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.527203][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.527340][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.527482][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.527625][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.527766][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.527902][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.528039][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.528179][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.528316][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.528452][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.528596][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.528734][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.528871][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.529006][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.529145][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.529313][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   12.529453][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   12.529594][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.529734][  T277]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.529907][  T277]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.530044][  T277]  __sys_sendmsg (net/socket.c:2784)
[   12.530185][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.530325][  T277]  ? 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)
[   12.530460][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.530602][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.530738][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.530879][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.531017][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.531190][  T277] RIP: 0033:0x7f9dd0d5908e
[   12.531331][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.531820][  T277] RSP: 002b:00007ffe7a8b2860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.532025][  T277] RAX: ffffffffffffffda RBX: 00007ffe7a8b3008 RCX: 00007f9dd0d5908e
[   12.532231][  T277] RDX: 0000000000000000 RSI: 00007ffe7a8b2910 RDI: 0000000000000005
[   12.532434][  T277] RBP: 00007ffe7a8b2870 R08: 0000000000000000 R09: 0000000000000000
[   12.532640][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.532841][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7a8b2fd0
| [   12.570175][  T280] ------------[ cut here ]------------
| [   12.570333][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/280
| [   12.570581][  T280] Modules linked in: nf_tables
| [   12.570999][  T280] Tainted: [W]=WARN
[   12.571106][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.571278][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.571454][  T280] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.571945][  T280] RSP: 0018:ffa0000000966e30 EFLAGS: 00010286
[   12.572122][  T280] RAX: 00000000ffffffa6 RBX: ff1100000abd6900 RCX: 1ff400000012cd8c
[   12.572326][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000abd69bc
[   12.572531][  T280] RBP: ff11000011b99000 R08: 1fe220000157ad39 R09: ff1100000a95ae80
[   12.572741][  T280] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.572945][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bcda00c
[   12.573155][  T280] FS:  00007f1d3b481840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.573394][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.573569][  T280] CR2: 000000000042ebe0 CR3: 000000000c9b7001 CR4: 0000000000771ef0
[   12.573774][  T280] PKRU: 55555554
[   12.573876][  T280] Call Trace:
[   12.573979][  T280]  <TASK>
[   12.574050][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.574194][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.574300][  T280]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   12.574480][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.574621][  T280]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   12.574759][  T280]  __dev_notify_flags (net/core/dev.c:9787)
[   12.574900][  T280]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4511)
[   12.575036][  T280]  ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:117)
[   12.575175][  T280]  ? netif_change_name (net/core/dev.c:1495)
[   12.575316][  T280]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   12.575488][  T280]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.575630][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.575766][  T280]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.575905][  T280]  veth_newlink (drivers/net/veth.c:1871)
[   12.576045][  T280]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.576187][  T280]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.576323][  T280]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.576459][  T280]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.576616][  T280]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.576753][  T280]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.576890][  T280]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.577028][  T280]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.577173][  T280]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.577311][  T280]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.577450][  T280]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.577591][  T280]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.577728][  T280]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.577871][  T280]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.578014][  T280]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.578158][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.578296][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.578432][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.578573][  T280]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.578710][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.578849][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.578986][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.579126][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.579264][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.579403][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.579544][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.579684][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.579820][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.579962][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.580106][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.580244][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.580385][  T280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.580523][  T280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.580667][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.580806][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.580943][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.581083][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.581227][  T280]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.581367][  T280]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.581510][  T280]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.581650][  T280]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.581787][  T280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.581957][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   12.582103][  T280]  ___sys_sendmsg (net/socket.c:2752)
[   12.582242][  T280]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.582385][  T280]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.582565][  T280]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.582705][  T280]  __sys_sendmsg (net/socket.c:2784)
[   12.582843][  T280]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.582987][  T280]  ? 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)
[   12.583130][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.583269][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.583405][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.583545][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.583683][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.583853][  T280] RIP: 0033:0x7f1d3b6bb08e
[   12.583996][  T280] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.584492][  T280] RSP: 002b:00007fff99159910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.584706][  T280] RAX: ffffffffffffffda RBX: 00007fff9915a0b8 RCX: 00007f1d3b6bb08e
[   12.584911][  T280] RDX: 0000000000000000 RSI: 00007fff991599c0 RDI: 0000000000000005
[   12.585123][  T280] RBP: 00007fff99159920 R08: 0000000000000000 R09: 0000000000000000
[   12.585328][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.585539][  T280] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9915a080
| [   12.592863][  T280] ------------[ cut here ]------------
| [   12.593018][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/280
| [   12.593256][  T280] Modules linked in: nf_tables
| [   12.593672][  T280] Tainted: [W]=WARN
[   12.593931][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.594190][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.594450][  T280] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.595168][  T280] RSP: 0018:ffa00000009671b0 EFLAGS: 00010286
[   12.595343][  T280] RAX: 00000000ffffffa6 RBX: ff1100000bbe9000 RCX: 1ff400000012cdfc
[   12.595642][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe90bc
[   12.595844][  T280] RBP: ff1100000b864000 R08: 1fe220000177d219 R09: ff1100000a95ae80
[   12.596046][  T280] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.596340][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   12.596548][  T280] FS:  00007f1d3b481840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.596873][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.597043][  T280] CR2: 000000000042ebe0 CR3: 000000000c9b7001 CR4: 0000000000771ef0
[   12.597251][  T280] PKRU: 55555554
[   12.597439][  T280] Call Trace:
[   12.597545][  T280]  <TASK>
[   12.597616][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.597756][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.597860][  T280]  __dev_notify_flags (net/core/dev.c:9787)
[   12.598081][  T280]  ? netif_change_name (net/core/dev.c:1495)
[   12.598749][  T280]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.598886][  T280]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.599023][  T280]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.599219][  T280]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.599356][  T280]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.599491][  T280]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.599632][  T280]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.599773][  T280]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.599912][  T280]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.600049][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.600242][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.600434][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.600575][  T280]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.600709][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.600847][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.600983][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.601173][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.601308][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.601443][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.601580][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.601716][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.601849][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.601997][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.602189][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.602325][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.602463][  T280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.602604][  T280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.602740][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.602877][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.603014][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.603206][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.603344][  T280]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.603481][  T280]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.603623][  T280]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.603759][  T280]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.603896][  T280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.604064][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   12.604262][  T280]  ___sys_sendmsg (net/socket.c:2752)
[   12.604398][  T280]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.604543][  T280]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.604717][  T280]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.604854][  T280]  __sys_sendmsg (net/socket.c:2784)
[   12.604991][  T280]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.605188][  T280]  ? 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)
[   12.605324][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.605460][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.605600][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.605735][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.605958][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.606184][  T280] RIP: 0033:0x7f1d3b6bb08e
[   12.606326][  T280] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.606812][  T280] RSP: 002b:00007fff99159910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.607160][  T280] RAX: ffffffffffffffda RBX: 00007fff9915a0b8 RCX: 00007f1d3b6bb08e
[   12.607364][  T280] RDX: 0000000000000000 RSI: 00007fff991599c0 RDI: 0000000000000005
[   12.607570][  T280] RBP: 00007fff99159920 R08: 0000000000000000 R09: 0000000000000000
[   12.607771][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.608062][  T280] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9915a080
| [   12.636968][  T282] ------------[ cut here ]------------
| [   12.637171][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/282
| [   12.637454][  T282] Modules linked in: nf_tables
| [   12.637999][  T282] Tainted: [W]=WARN
[   12.638161][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.638377][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.638608][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.639147][  T282] RSP: 0018:ffa0000000986e30 EFLAGS: 00010286
[   12.639366][  T282] RAX: 00000000ffffffa6 RBX: ff1100000b4d6ac0 RCX: 1ff4000000130d8c
[   12.639623][  T282] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4d6b7c
[   12.639877][  T282] RBP: ff1100000569c000 R08: 1fe220000169ad71 R09: ff1100000a9cd180
[   12.640140][  T282] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.640390][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ba7a00c
[   12.640649][  T282] FS:  00007f03141f0840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   12.640938][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.641174][  T282] CR2: 000000000042ebe0 CR3: 000000000b6e9004 CR4: 0000000000771ef0
[   12.641426][  T282] PKRU: 55555554
[   12.641581][  T282] Call Trace:
[   12.641730][  T282]  <TASK>
[   12.641847][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.642031][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.642234][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.642388][  T282]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.642581][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   12.642766][  T282]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.642949][  T282]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.643146][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   12.643330][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.643517][  T282]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.643713][  T282]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.643898][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.644084][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.644281][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.644466][  T282]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.644664][  T282]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.644848][  T282]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.645038][  T282]  veth_newlink (drivers/net/veth.c:1871)
[   12.645238][  T282]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.645421][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.645614][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.645797][  T282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.646000][  T282]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.646196][  T282]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.646386][  T282]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.646577][  T282]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.646764][  T282]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.646949][  T282]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.647149][  T282]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.647334][  T282]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.647519][  T282]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.647716][  T282]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.647907][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.648107][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.648290][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.648478][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.648700][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.648887][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.649073][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.649293][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.649479][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.649674][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.649857][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.650037][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.650232][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.650413][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.650604][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.650787][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.650971][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.651323][  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))
[   12.651504][  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))
[   12.651735][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.651926][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.652119][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.652306][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.652512][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.652706][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.652888][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.653073][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.653271][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.653485][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.653680][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.653869][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.654054][  T282]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.654282][  T282]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.654465][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.654655][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.654867][  T282]  ? 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)
[   12.655047][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.655243][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.655423][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.655609][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.655790][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.656007][  T282] RIP: 0033:0x7f031442a08e
[   12.656207][  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
[   12.656744][  T282] RSP: 002b:00007ffd78903c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.656990][  T282] RAX: ffffffffffffffda RBX: 00007ffd789043a8 RCX: 00007f031442a08e
[   12.657248][  T282] RDX: 0000000000000000 RSI: 00007ffd78903cb0 RDI: 0000000000000005
[   12.657494][  T282] RBP: 00007ffd78903c10 R08: 0000000000000000 R09: 0000000000000000
[   12.657749][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.657994][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78904370
| [   12.680914][  T282] ------------[ cut here ]------------
| [   12.681129][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/282
| [   12.681407][  T282] Modules linked in: nf_tables
| [   12.681919][  T282] Tainted: [W]=WARN
[   12.682068][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.682301][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.682525][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.683071][  T282] RSP: 0018:ffa00000009871b0 EFLAGS: 00010286
[   12.683297][  T282] RAX: 00000000ffffffa6 RBX: ff11000009443540 RCX: 1ff4000000130dfc
[   12.683545][  T282] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094435fc
[   12.683794][  T282] RBP: ff11000005699000 R08: 1fe22000012886c1 R09: ff1100000a9cd180
[   12.684038][  T282] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.684298][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   12.684553][  T282] FS:  00007f03141f0840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   12.684831][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.685042][  T282] CR2: 000000000042ebe0 CR3: 000000000b6e9004 CR4: 0000000000771ef0
[   12.685301][  T282] PKRU: 55555554
[   12.685447][  T282] Call Trace:
[   12.685600][  T282]  <TASK>
[   12.685716][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.685898][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.686047][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   12.686242][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   12.686425][  T282]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.686612][  T282]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.686795][  T282]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.686978][  T282]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.687172][  T282]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.687352][  T282]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.687543][  T282]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.687730][  T282]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.687915][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.688238][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.688421][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.688612][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.688793][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.688978][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.689177][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.689358][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.689547][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.689730][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.689912][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.690110][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.690293][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.690474][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.690665][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.690846][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.691027][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.691223][  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))
[   12.691402][  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))
[   12.691592][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.691774][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.691956][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.692149][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.692332][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.692514][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.692702][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.692883][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.693063][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.693286][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.693472][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.693664][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.693849][  T282]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.694068][  T282]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.694264][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.694446][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.694639][  T282]  ? 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)
[   12.694819][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.695002][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.695196][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.695377][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.695567][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.695779][  T282] RIP: 0033:0x7f031442a08e
[   12.695967][  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
[   12.696504][  T282] RSP: 002b:00007ffd78903c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.696759][  T282] RAX: ffffffffffffffda RBX: 00007ffd789043a8 RCX: 00007f031442a08e
[   12.697004][  T282] RDX: 0000000000000000 RSI: 00007ffd78903cb0 RDI: 0000000000000005
[   12.697262][  T282] RBP: 00007ffd78903c10 R08: 0000000000000000 R09: 0000000000000000
[   12.697509][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.697760][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78904370
| [   12.732324][  T285] ------------[ cut here ]------------
| [   12.732497][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/285
| [   12.732735][  T285] Modules linked in: nf_tables
| [   12.733152][  T285] Tainted: [W]=WARN
[   12.733253][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.733421][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.733602][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.734075][  T285] RSP: 0018:ffa00000009d6e30 EFLAGS: 00010286
[   12.734247][  T285] RAX: 00000000ffffffa6 RBX: ff1100000b629380 RCX: 1ff400000013ad8c
[   12.734448][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b62943c
[   12.734650][  T285] RBP: ff1100000fb91000 R08: 1fe22000016c5289 R09: ff11000009255180
[   12.734848][  T285] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.735046][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b43e70c
[   12.735253][  T285] FS:  00007f809e1c2840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.735502][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.735808][  T285] CR2: 000000000042ebe0 CR3: 000000000c9b2006 CR4: 0000000000771ef0
[   12.736011][  T285] PKRU: 55555554
[   12.736115][  T285] Call Trace:
[   12.736213][  T285]  <TASK>
[   12.736284][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.736419][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.736559][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.736663][  T285]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.736803][  T285]  __dev_notify_flags (net/core/dev.c:9787)
[   12.736961][  T285]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.738171][  T285]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.738340][  T285]  ? netif_change_name (net/core/dev.c:1495)
[   12.738472][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.738615][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.738753][  T285]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.738886][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.739019][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.739159][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.739304][  T285]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.739441][  T285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.739584][  T285]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.739720][  T285]  veth_newlink (drivers/net/veth.c:1871)
[   12.739854][  T285]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.739986][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.740125][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.740259][  T285]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.740415][  T285]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.740553][  T285]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.740688][  T285]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.740822][  T285]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.740957][  T285]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.741109][  T285]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.741312][  T285]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.741478][  T285]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.741615][  T285]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.741754][  T285]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.741891][  T285]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.742027][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.742168][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.742302][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.742439][  T285]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.742579][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.742718][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.742854][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.742989][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.743127][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.743261][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.743393][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.743530][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.743667][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.743803][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.743938][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.744074][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.744215][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.744348][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.744482][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.744646][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.744780][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.744916][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.745053][  T285]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.745194][  T285]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.745330][  T285]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.745463][  T285]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.745606][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.745771][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   12.745932][  T285]  ___sys_sendmsg (net/socket.c:2752)
[   12.746073][  T285]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.746234][  T285]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.746488][  T285]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.746635][  T285]  __sys_sendmsg (net/socket.c:2784)
[   12.746774][  T285]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.746914][  T285]  ? 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)
[   12.747048][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.747191][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.747326][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.747460][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.747598][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.747764][  T285] RIP: 0033:0x7f809e3fc08e
[   12.747906][  T285] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.748388][  T285] RSP: 002b:00007ffc52c993c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.748598][  T285] RAX: ffffffffffffffda RBX: 00007ffc52c99b68 RCX: 00007f809e3fc08e
[   12.748814][  T285] RDX: 0000000000000000 RSI: 00007ffc52c99470 RDI: 0000000000000005
[   12.749014][  T285] RBP: 00007ffc52c993d0 R08: 0000000000000000 R09: 0000000000000000
[   12.749217][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.749416][  T285] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc52c99b30
| [   12.764085][  T285] ------------[ cut here ]------------
| [   12.764269][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/285
| [   12.764524][  T285] Modules linked in: nf_tables
| [   12.764936][  T285] Tainted: [W]=WARN
[   12.765035][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.765231][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.765412][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.766734][  T285] RSP: 0018:ffa00000009d71b0 EFLAGS: 00010286
[   12.766932][  T285] RAX: 00000000ffffffa6 RBX: ff1100000da538c0 RCX: 1ff400000013adfc
[   12.767139][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da5397c
[   12.767335][  T285] RBP: ff1100000fb04000 R08: 1fe2200001b4a731 R09: ff11000009255180
[   12.767571][  T285] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.767911][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   12.768233][  T285] FS:  00007f809e1c2840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.768624][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.768888][  T285] CR2: 000000000042ebe0 CR3: 000000000c9b2006 CR4: 0000000000771ef0
[   12.769197][  T285] PKRU: 55555554
[   12.769355][  T285] Call Trace:
[   12.769490][  T285]  <TASK>
[   12.769586][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.769741][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.769842][  T285]  __dev_notify_flags (net/core/dev.c:9787)
[   12.769977][  T285]  ? netif_change_name (net/core/dev.c:1495)
[   12.770139][  T285]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.770270][  T285]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.770405][  T285]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.770543][  T285]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.770677][  T285]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.770822][  T285]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.770955][  T285]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.771092][  T285]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.771233][  T285]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.771366][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.771498][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.771664][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.771796][  T285]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.771928][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.772066][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.772203][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.772335][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.772466][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.772608][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.772739][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.772872][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.773003][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.773142][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.773271][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.773403][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.773542][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.773673][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.773807][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.773939][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.774072][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.774207][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.774340][  T285]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.774472][  T285]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.774610][  T285]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.774741][  T285]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.774873][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.775035][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   12.775177][  T285]  ___sys_sendmsg (net/socket.c:2752)
[   12.775310][  T285]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.775446][  T285]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.775619][  T285]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.775751][  T285]  __sys_sendmsg (net/socket.c:2784)
[   12.775918][  T285]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.776125][  T285]  ? 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)
[   12.776274][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.776407][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.776558][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.776690][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.776823][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.776984][  T285] RIP: 0033:0x7f809e3fc08e
[   12.777127][  T285] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.777600][  T285] RSP: 002b:00007ffc52c993c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.777799][  T285] RAX: ffffffffffffffda RBX: 00007ffc52c99b68 RCX: 00007f809e3fc08e
[   12.778005][  T285] RDX: 0000000000000000 RSI: 00007ffc52c99470 RDI: 0000000000000005
[   12.778229][  T285] RBP: 00007ffc52c993d0 R08: 0000000000000000 R09: 0000000000000000
[   12.778424][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfb
[   12.778626][  T285] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc52c99b30
| [   12.876769][  T290] ------------[ cut here ]------------
| [   12.876944][  T290] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/290
| [   12.877185][  T290] Modules linked in: nf_tables
| [   12.877589][  T290] Tainted: [W]=WARN
[   12.877686][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.877848][  T290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.878017][  T290] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.878481][  T290] RSP: 0018:ffa0000000a37020 EFLAGS: 00010286
[   12.878655][  T290] RAX: 00000000ffffffa6 RBX: ff1100000b6298c0 RCX: 1ff4000000146dca
[   12.878847][  T290] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b62997c
[   12.879047][  T290] RBP: ff1100000e7e1000 R08: 1fe22000016c5331 R09: ff110000092f8b58
[   12.879244][  T290] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.879440][  T290] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.879863][  T290] FS:  00007fb8af91e840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   12.880088][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.880253][  T290] CR2: 000000003c8a8988 CR3: 000000000f8ff005 CR4: 0000000000771ef0
[   12.880451][  T290] PKRU: 55555554
[   12.880557][  T290] Call Trace:
[   12.880692][  T290]  <TASK>
[   12.880763][  T290]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.880894][  T290]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.880991][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.881187][  T290]  __dev_notify_flags (net/core/dev.c:9787)
[   12.881353][  T290]  ? netif_change_name (net/core/dev.c:1495)
[   12.881730][  T290]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.881860][  T290]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.881990][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.882125][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.882256][  T290]  netif_change_flags (net/core/dev.c:9820)
[   12.882385][  T290]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.882549][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.882691][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.882822][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.882981][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.883111][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.883238][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.883369][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.883499][  T290]  ? __kernel_text_address (kernel/extable.c:79)
[   12.883635][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.883764][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.883891][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.884019][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.884153][  T290]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.884279][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.884419][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.884568][  T290]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.884703][  T290]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.884831][  T290]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.884958][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.885088][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.885224][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.885355][  T290]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.885488][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.885625][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.885754][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.885881][  T290]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.886009][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.886142][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.886268][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.886398][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.886539][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.886669][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.886796][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.886925][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.887052][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.887186][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.887317][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.887446][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.887581][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.887711][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.887853][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.887984][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.888120][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.888249][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.888380][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.888510][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.888645][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.888776][  T290]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.888905][  T290]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.889039][  T290]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.889174][  T290]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.889309][  T290]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.889474][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   12.889609][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.889737][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.889869][  T290]  ___sys_sendmsg (net/socket.c:2752)
[   12.889999][  T290]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.890163][  T290]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.890303][  T290]  __sys_sendmsg (net/socket.c:2784)
[   12.890439][  T290]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.890575][  T290]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.890735][  T290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.890864][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.890993][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.891140][  T290]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.891271][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.891399][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.891564][  T290] RIP: 0033:0x7fb8afb5808e
[   12.891700][  T290] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.892171][  T290] RSP: 002b:00007ffdcf679f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.892373][  T290] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb8afb5808e
[   12.892570][  T290] RDX: 0000000000000000 RSI: 00007ffdcf67a020 RDI: 0000000000000005
[   12.892763][  T290] RBP: 00007ffdcf679f80 R08: 0000000000000000 R09: 0000000000000000
[   12.892957][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfc
[   12.893158][  T290] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcf67a6f0
| [   12.987909][  T294] ------------[ cut here ]------------
| [   12.988136][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/294
| [   12.988418][  T294] Modules linked in: nf_tables
| [   12.988941][  T294] Tainted: [W]=WARN
[   12.989091][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.989321][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.989548][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.990072][  T294] RSP: 0018:ffa0000000a87020 EFLAGS: 00010286
[   12.990709][  T294] RAX: 00000000ffffffa6 RBX: ff1100000e4ce200 RCX: 1ff4000000150dca
[   12.990953][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4ce2bc
[   12.991210][  T294] RBP: ff1100000df71000 R08: 1fe2200001c99c59 R09: ff1100000f8d0b58
[   12.991455][  T294] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.991708][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.991959][  T294] FS:  00007f154bb32840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   12.992252][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.992467][  T294] CR2: 00007f154be021a0 CR3: 000000000f895004 CR4: 0000000000771ef0
[   12.992754][  T294] PKRU: 55555554
[   12.992901][  T294] Call Trace:
[   12.993049][  T294]  <TASK>
[   12.993182][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.993365][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.993514][  T294]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.993703][  T294]  __dev_notify_flags (net/core/dev.c:9787)
[   12.993887][  T294]  ? netif_change_name (net/core/dev.c:1495)
[   12.994068][  T294]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.994263][  T294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.994446][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.994644][  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))
[   12.994828][  T294]  netif_change_flags (net/core/dev.c:9820)
[   12.995012][  T294]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.995208][  T294]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.995392][  T294]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.995585][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.995804][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.995986][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.996179][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.996361][  T294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.996551][  T294]  ? __kernel_text_address (kernel/extable.c:79)
[   12.996734][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.996921][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.997116][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.997299][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.997481][  T294]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.997669][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.997850][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.998031][  T294]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.998228][  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)
[   12.998412][  T294]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.998603][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.998787][  T294]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.998972][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.999169][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.999355][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.999542][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.999724][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.999910][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.000089][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.000283][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.000466][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.000651][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.000832][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.001014][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.001213][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.001398][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.001583][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.001763][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.001949][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.002142][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.002328][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.002510][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.002704][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.002888][  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))
[   13.003068][  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))
[   13.003264][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.003446][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.003636][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.003818][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.004000][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.004196][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.004380][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.004570][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.004751][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.004962][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   13.005159][  T294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.005341][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.005527][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   13.005716][  T294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.005929][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.006135][  T294]  __sys_sendmsg (net/socket.c:2784)
[   13.006317][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.006496][  T294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.006718][  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)
[   13.006904][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.007086][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.007284][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.007465][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.007654][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.007867][  T294] RIP: 0033:0x7f154bd6c08e
[   13.008058][  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
[   13.008593][  T294] RSP: 002b:00007ffc8d310db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.008844][  T294] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f154bd6c08e
[   13.009088][  T294] RDX: 0000000000000000 RSI: 00007ffc8d310e60 RDI: 0000000000000005
[   13.009446][  T294] RBP: 00007ffc8d310dc0 R08: 0000000000000000 R09: 0000000000000000
[   13.009701][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfc
[   13.009950][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8d311530
| [   13.103227][  T298] ------------[ cut here ]------------
| [   13.103389][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/298
| [   13.103631][  T298] Modules linked in: nf_tables
| [   13.104052][  T298] Tainted: [W]=WARN
[   13.104158][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.104326][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.104500][  T298] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.104981][  T298] RSP: 0018:ffa0000000ac7020 EFLAGS: 00010286
[   13.105155][  T298] RAX: 00000000ffffffa6 RBX: ff1100000cf28580 RCX: 1ff4000000158dca
[   13.105352][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf2863c
[   13.105555][  T298] RBP: ff110000098c4000 R08: 1fe22000019e50c9 R09: ff1100000a408b58
[   13.105755][  T298] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.105954][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.106159][  T298] FS:  00007f985338f840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   13.106393][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.106571][  T298] CR2: 000000003afe1988 CR3: 00000000097bf001 CR4: 0000000000771ef0
[   13.106772][  T298] PKRU: 55555554
[   13.106873][  T298] Call Trace:
[   13.106972][  T298]  <TASK>
[   13.107041][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.107182][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.107284][  T298]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.107419][  T298]  __dev_notify_flags (net/core/dev.c:9787)
[   13.107566][  T298]  ? netif_change_name (net/core/dev.c:1495)
[   13.107701][  T298]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.107835][  T298]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.107969][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.108108][  T298]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.108244][  T298]  netif_change_flags (net/core/dev.c:9820)
[   13.108379][  T298]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.108512][  T298]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.108651][  T298]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.108785][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.108952][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.109084][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.109225][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.109357][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.109489][  T298]  ? __kernel_text_address (kernel/extable.c:79)
[   13.109627][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.109764][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.109896][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.110030][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.110170][  T298]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.110302][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.110435][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.110573][  T298]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.110709][  T298]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.110846][  T298]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.110980][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.111120][  T298]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.111257][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.111395][  T298]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.111531][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.111668][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.111801][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.111934][  T298]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.112066][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.112208][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.112342][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.112476][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.112615][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.112748][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.112881][  T298]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.113015][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.113154][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.113288][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.113426][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.113563][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.113697][  T298]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.113831][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.113964][  T298]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.114105][  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))
[   13.114240][  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))
[   13.114374][  T298]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.114508][  T298]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.114645][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.114779][  T298]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.114914][  T298]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.115050][  T298]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.115191][  T298]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.115324][  T298]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.115458][  T298]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.115627][  T298]  ? move_addr_to_kernel (net/socket.c:258)
[   13.115761][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.115894][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.116029][  T298]  ___sys_sendmsg (net/socket.c:2752)
[   13.116166][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.116330][  T298]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.116477][  T298]  __sys_sendmsg (net/socket.c:2784)
[   13.116615][  T298]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.116747][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.116915][  T298]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.117048][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.117187][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.117321][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.117457][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.117597][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.117764][  T298] RIP: 0033:0x7f98535c908e
[   13.117903][  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
[   13.118386][  T298] RSP: 002b:00007ffd434195a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.118590][  T298] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f98535c908e
[   13.118789][  T298] RDX: 0000000000000000 RSI: 00007ffd43419650 RDI: 0000000000000005
[   13.118987][  T298] RBP: 00007ffd434195b0 R08: 0000000000000000 R09: 0000000000000000
[   13.119190][  T298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfc
[   13.119390][  T298] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd43419d20
| [   13.388563][  T308] ------------[ cut here ]------------
| [   13.388800][  T308] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/308
| [   13.389081][  T308] Modules linked in: nf_tables
| [   13.389627][  T308] Tainted: [W]=WARN
[   13.389777][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.389997][  T308] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.390296][  T308] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.390935][  T308] RSP: 0018:ffa0000000b57020 EFLAGS: 00010286
[   13.391251][  T308] RAX: 00000000ffffffa6 RBX: ff1100000c814c80 RCX: 1ff400000016adca
[   13.391569][  T308] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c814d3c
[   13.391877][  T308] RBP: ff1100000e7e4000 R08: 1fe22000019029a9 R09: ff11000011ae5158
[   13.392132][  T308] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.392373][  T308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.392629][  T308] FS:  00007fa9492ef840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   13.392908][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.393134][  T308] CR2: 000000000bbf3988 CR3: 0000000011aef003 CR4: 0000000000771ef0
[   13.393378][  T308] PKRU: 55555554
[   13.393524][  T308] Call Trace:
[   13.393679][  T308]  <TASK>
[   13.393795][  T308]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.393978][  T308]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.394138][  T308]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.394336][  T308]  __dev_notify_flags (net/core/dev.c:9787)
[   13.394529][  T308]  ? netif_change_name (net/core/dev.c:1495)
[   13.394716][  T308]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.394895][  T308]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.395072][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.395267][  T308]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.395449][  T308]  netif_change_flags (net/core/dev.c:9820)
[   13.395636][  T308]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.395816][  T308]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.395997][  T308]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.396191][  T308]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.396416][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.396603][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.396781][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.396961][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.397149][  T308]  ? __kernel_text_address (kernel/extable.c:79)
[   13.397328][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.397507][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.397690][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.397868][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.398044][  T308]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.398234][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.398410][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.398596][  T308]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.398774][  T308]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.398950][  T308]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.399140][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.399318][  T308]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.399498][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.399689][  T308]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.399868][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.400058][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.400245][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.400422][  T308]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.400608][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.400788][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.400964][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.401157][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.401333][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.401511][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.401699][  T308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.401876][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.402051][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.402240][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.402418][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.402606][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.402809][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.402995][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.403186][  T308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.403396][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.403580][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.403760][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.403941][  T308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.404131][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.404308][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.404486][  T308]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.404670][  T308]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.404849][  T308]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.405029][  T308]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.405218][  T308]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.405428][  T308]  ? move_addr_to_kernel (net/socket.c:258)
[   13.405616][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.405794][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.405972][  T308]  ___sys_sendmsg (net/socket.c:2752)
[   13.406163][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.406369][  T308]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.406569][  T308]  __sys_sendmsg (net/socket.c:2784)
[   13.406748][  T308]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.406923][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.407164][  T308]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.407342][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.407521][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.407717][  T308]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.407895][  T308]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.408077][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.408298][  T308] RIP: 0033:0x7fa94952908e
[   13.408481][  T308] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.408993][  T308] RSP: 002b:00007ffe0dde72a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.409252][  T308] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa94952908e
[   13.409491][  T308] RDX: 0000000000000000 RSI: 00007ffe0dde7350 RDI: 0000000000000005
[   13.409738][  T308] RBP: 00007ffe0dde72b0 R08: 0000000000000000 R09: 0000000000000000
[   13.409976][  T308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfc
[   13.410230][  T308] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0dde7a20
| [   13.413077][   T38] ------------[ cut here ]------------
| [   13.413253][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   13.413496][   T38] Modules linked in: nf_tables
| [   13.413961][   T38] Tainted: [W]=WARN
[   13.414051][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.414264][   T38] Workqueue: events_unbound linkwatch_event
[   13.414418][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.414613][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.415102][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   13.415253][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c8158c0 RCX: 1ff4000000055f02
[   13.415429][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c81597c
[   13.415609][   T38] RBP: ff1100000e7e4000 R08: 1fe2200001902b31 R09: ff11000001da2ea8
[   13.415785][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.415961][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.416160][   T38] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   13.416366][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.416525][   T38] CR2: 00007ff21b4d3574 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   13.416710][   T38] PKRU: 55555554
[   13.416800][   T38] Call Trace:
[   13.416960][   T38]  <TASK>
[   13.417023][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.417149][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.417271][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.417361][   T38]  netif_state_change (net/core/dev.c:1605)
[   13.417486][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.417642][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.417761][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.417878][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.418083][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.418208][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.418329][   T38]  process_one_work (kernel/workqueue.c:3314)
[   13.418456][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.418654][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.418791][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.418913][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.419030][   T38]  kthread (kernel/kthread.c:436)
[   13.419203][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.419349][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.419468][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.419593][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.419814][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.419932][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.420050][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.422326][   T38] ------------[ cut here ]------------
| [   13.422451][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   13.422690][   T38] Modules linked in: nf_tables
| [   13.423107][   T38] Tainted: [W]=WARN
[   13.423201][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.423356][   T38] Workqueue: events_unbound linkwatch_event
[   13.423514][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.423676][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.424198][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   13.424423][   T38] RAX: 00000000ffffffa6 RBX: ff1100000cebba80 RCX: 1ff4000000055f02
[   13.424602][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cebbb3c
[   13.424780][   T38] RBP: ff1100000e7e1000 R08: 1fe22000019d7769 R09: ff11000001da2ea8
[   13.425031][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.425213][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.425391][   T38] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   13.425603][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.425750][   T38] CR2: 00007ff21b4d3574 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   13.426006][   T38] PKRU: 55555554
[   13.426100][   T38] Call Trace:
[   13.426188][   T38]  <TASK>
[   13.426249][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.426368][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.426487][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.426583][   T38]  netif_state_change (net/core/dev.c:1605)
[   13.426702][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.426853][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.426971][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.427089][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.427216][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.427334][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.427466][   T38]  process_one_work (kernel/workqueue.c:3314)
[   13.427595][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.427716][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.427840][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.427962][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.428080][   T38]  kthread (kernel/kthread.c:436)
[   13.428174][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.428320][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.428439][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.428636][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.428787][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.428919][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.429039][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.511753][  T312] ------------[ cut here ]------------
| [   13.511963][  T312] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/312
| [   13.512358][  T312] Modules linked in: nf_tables
| [   13.513005][  T312] Tainted: [W]=WARN
[   13.513169][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.513412][  T312] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.513635][  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 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.514340][  T312] RSP: 0018:ffa0000000b87020 EFLAGS: 00010286
[   13.514603][  T312] RAX: 00000000ffffffa6 RBX: ff1100000cebb8c0 RCX: 1ff4000000170dca
[   13.514901][  T312] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cebb97c
[   13.515206][  T312] RBP: ff1100000b864000 R08: 1fe22000019d7731 R09: ff1100000fe28b58
[   13.515507][  T312] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.515817][  T312] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.517057][  T312] FS:  00007f665546c840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   13.517473][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.517748][  T312] CR2: 0000000027930988 CR3: 000000000d1ef004 CR4: 0000000000771ef0
[   13.518042][  T312] PKRU: 55555554
[   13.518192][  T312] Call Trace:
[   13.518333][  T312]  <TASK>
[   13.518431][  T312]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.518642][  T312]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.518790][  T312]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.518986][  T312]  __dev_notify_flags (net/core/dev.c:9787)
[   13.519165][  T312]  ? netif_change_name (net/core/dev.c:1495)
[   13.519324][  T312]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.519462][  T312]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.519607][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.519748][  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))
[   13.520107][  T312]  netif_change_flags (net/core/dev.c:9820)
[   13.520296][  T312]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.520489][  T312]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.520698][  T312]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.520891][  T312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.521070][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.521215][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.521357][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.521491][  T312]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.521636][  T312]  ? __kernel_text_address (kernel/extable.c:79)
[   13.521767][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.521898][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.522027][  T312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.522164][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.522324][  T312]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.522477][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.522647][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.522781][  T312]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.522917][  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)
[   13.523052][  T312]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.523194][  T312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.523343][  T312]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.523478][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.523617][  T312]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.523750][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.523880][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.524011][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.524152][  T312]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.524285][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.524420][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.524554][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.524685][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.524818][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.524950][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.525084][  T312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.525222][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.525356][  T312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.525488][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.525628][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.525765][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.525901][  T312]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.526044][  T312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.526181][  T312]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.526324][  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))
[   13.526453][  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))
[   13.526596][  T312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.526729][  T312]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.526860][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.526990][  T312]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.527126][  T312]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.527256][  T312]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.527400][  T312]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.527530][  T312]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.527667][  T312]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.527825][  T312]  ? move_addr_to_kernel (net/socket.c:258)
[   13.527957][  T312]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.528086][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.528224][  T312]  ___sys_sendmsg (net/socket.c:2752)
[   13.528356][  T312]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.528516][  T312]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.528660][  T312]  __sys_sendmsg (net/socket.c:2784)
[   13.528788][  T312]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.528916][  T312]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.529079][  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)
[   13.529221][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.529376][  T312]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.529505][  T312]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.529637][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.529765][  T312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.529930][  T312] RIP: 0033:0x7f66556a608e
[   13.530068][  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
[   13.530570][  T312] RSP: 002b:00007ffe9f1b3820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.530769][  T312] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f66556a608e
[   13.530967][  T312] RDX: 0000000000000000 RSI: 00007ffe9f1b38d0 RDI: 0000000000000005
[   13.531169][  T312] RBP: 00007ffe9f1b3830 R08: 0000000000000000 R09: 0000000000000000
[   13.531368][  T312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfc
[   13.531575][  T312] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9f1b3fa0
| [   13.621991][  T316] ------------[ cut here ]------------
| [   13.622396][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/316
| [   13.622642][  T316] Modules linked in: nf_tables
| [   13.623055][  T316] Tainted: [W]=WARN
[   13.623162][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.623336][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.623512][  T316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.623989][  T316] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[   13.624168][  T316] RAX: 00000000ffffffa6 RBX: ff1100000d1a2200 RCX: 1ff400000012cdca
[   13.624369][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a22bc
[   13.624573][  T316] RBP: ff11000005699000 R08: 1fe2200001a34459 R09: ff1100000f800b58
[   13.624774][  T316] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.624976][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.625180][  T316] FS:  00007f5c0a1b0840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   13.625414][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.625586][  T316] CR2: 00007f5c0a4801a0 CR3: 000000000fe4f001 CR4: 0000000000771ef0
[   13.625788][  T316] PKRU: 55555554
[   13.625889][  T316] Call Trace:
[   13.625991][  T316]  <TASK>
[   13.626061][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.626202][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.626305][  T316]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.626441][  T316]  __dev_notify_flags (net/core/dev.c:9787)
[   13.626582][  T316]  ? netif_change_name (net/core/dev.c:1495)
[   13.626717][  T316]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.626853][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.626987][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.627129][  T316]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.627267][  T316]  netif_change_flags (net/core/dev.c:9820)
[   13.627402][  T316]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.627541][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.627680][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.627815][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.627982][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.628120][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.628253][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.628387][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.628522][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   13.628662][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.628797][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.628930][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.629063][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.629203][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.629346][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.629481][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.629619][  T316]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.629753][  T316]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.629887][  T316]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.630023][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.630162][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.630299][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.630436][  T316]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.630577][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.630711][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.630845][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.630981][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.631119][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.631255][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.631390][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.631522][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.631663][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.631797][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.631932][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.632065][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.632204][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.632337][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.632475][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.632617][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.632752][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.632906][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.633110][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.633308][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.633442][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.633585][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.633721][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.633856][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.633991][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.634131][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.634266][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.634403][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.634543][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.634681][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.634848][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   13.634984][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.635124][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.635259][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   13.635395][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.635569][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.635717][  T316]  __sys_sendmsg (net/socket.c:2784)
[   13.635853][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.635986][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.636159][  T316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.636294][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.636429][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.636570][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.636705][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.636840][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.637009][  T316] RIP: 0033:0x7f5c0a3ea08e
[   13.637155][  T316] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.637639][  T316] RSP: 002b:00007ffdd05871c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.637841][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5c0a3ea08e
[   13.638041][  T316] RDX: 0000000000000000 RSI: 00007ffdd0587270 RDI: 0000000000000005
[   13.638245][  T316] RBP: 00007ffdd05871d0 R08: 0000000000000000 R09: 0000000000000000
[   13.638444][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfc
[   13.638653][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd0587940
| [   13.892745][  T326] ------------[ cut here ]------------
| [   13.892943][  T326] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/326
| [   13.893202][  T326] Modules linked in: nf_tables
| [   13.893631][  T326] Tainted: [W]=WARN
[   13.893739][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.893908][  T326] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.894086][  T326] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.894582][  T326] RSP: 0018:ffa0000000927020 EFLAGS: 00010286
[   13.894753][  T326] RAX: 00000000ffffffa6 RBX: ff11000011944c80 RCX: 1ff4000000124dca
[   13.894956][  T326] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011944d3c
[   13.895165][  T326] RBP: ff1100000df74000 R08: 1fe22000023289a9 R09: ff11000005822e58
[   13.895372][  T326] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.895585][  T326] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.895786][  T326] FS:  00007f05b0524840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   13.896023][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.896200][  T326] CR2: 000000000f183988 CR3: 0000000009b9f005 CR4: 0000000000771ef0
[   13.896404][  T326] PKRU: 55555554
[   13.896507][  T326] Call Trace:
[   13.896612][  T326]  <TASK>
[   13.896684][  T326]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.896823][  T326]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.896926][  T326]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.897063][  T326]  __dev_notify_flags (net/core/dev.c:9787)
[   13.897208][  T326]  ? netif_change_name (net/core/dev.c:1495)
[   13.897344][  T326]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.897481][  T326]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.897623][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.897759][  T326]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.897898][  T326]  netif_change_flags (net/core/dev.c:9820)
[   13.898035][  T326]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.898232][  T326]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.898427][  T326]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.898572][  T326]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.898741][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.898876][  T326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.899011][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.899225][  T326]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.899362][  T326]  ? __kernel_text_address (kernel/extable.c:79)
[   13.899502][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.899644][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.899781][  T326]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.899917][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.900054][  T326]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.900266][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.900401][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.900541][  T326]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.900681][  T326]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.900818][  T326]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.900956][  T326]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.901194][  T326]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.901333][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.901473][  T326]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.901616][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.901751][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.901888][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.902024][  T326]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.902237][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.902377][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.902511][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.902650][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.902786][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.902925][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.903061][  T326]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.903283][  T326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.903418][  T326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.903558][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.903697][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.903834][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.903970][  T326]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.904182][  T326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.904318][  T326]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.904457][  T326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.904597][  T326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.904736][  T326]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.904873][  T326]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.905008][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.905230][  T326]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.905370][  T326]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.905508][  T326]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.905651][  T326]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.905787][  T326]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.905922][  T326]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.906091][  T326]  ? move_addr_to_kernel (net/socket.c:258)
[   13.906240][  T326]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.906378][  T326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.906515][  T326]  ___sys_sendmsg (net/socket.c:2752)
[   13.906655][  T326]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.906827][  T326]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.906974][  T326]  __sys_sendmsg (net/socket.c:2784)
[   13.907114][  T326]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.907250][  T326]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.907423][  T326]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.907564][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.907702][  T326]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.907839][  T326]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.907975][  T326]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.908115][  T326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.908286][  T326] RIP: 0033:0x7f05b075e08e
[   13.908430][  T326] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.908917][  T326] RSP: 002b:00007ffca00f8050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.909127][  T326] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f05b075e08e
[   13.909333][  T326] RDX: 0000000000000000 RSI: 00007ffca00f8100 RDI: 0000000000000005
[   13.909543][  T326] RBP: 00007ffca00f8060 R08: 0000000000000000 R09: 0000000000000000
[   13.909744][  T326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfd
[   13.909949][  T326] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca00f87d0
| [   13.920352][   T36] ------------[ cut here ]------------
| [   13.920518][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   13.920777][   T36] Modules linked in: nf_tables
| [   13.921198][   T36] Tainted: [W]=WARN
[   13.921291][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.921444][   T36] Workqueue: events_unbound linkwatch_event
[   13.921611][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.921771][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.922233][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.922392][   T36] RAX: 00000000ffffffa6 RBX: ff11000011945700 RCX: 1ff4000000051f02
[   13.922582][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000119457bc
[   13.922765][   T36] RBP: ff1100000df74000 R08: 1fe2200002328af9 R09: ff11000001d751a8
[   13.922948][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.923138][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.923325][   T36] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   13.923548][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.923703][   T36] CR2: 00007f95cab0c574 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   13.923887][   T36] PKRU: 55555554
[   13.923987][   T36] Call Trace:
[   13.924079][   T36]  <TASK>
[   13.924150][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.924277][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.924406][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.924500][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.924630][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.924786][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.924910][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.925033][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.925166][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.925290][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.925413][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.925553][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.925676][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.925805][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.925932][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.926057][   T36]  kthread (kernel/kthread.c:436)
[   13.926156][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.926309][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.926434][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.926565][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.926736][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.926860][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.926985][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.929459][   T36] ------------[ cut here ]------------
| [   13.929617][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   13.929872][   T36] Modules linked in: nf_tables
| [   13.930295][   T36] Tainted: [W]=WARN
[   13.930388][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.930550][   T36] Workqueue: events_unbound linkwatch_event
[   13.930709][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.930871][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.931330][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.931489][   T36] RAX: 00000000ffffffa6 RBX: ff1100000dfd78c0 RCX: 1ff4000000051f02
[   13.931681][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd797c
[   13.931864][   T36] RBP: ff1100000df71000 R08: 1fe2200001bfaf31 R09: ff11000001d751a8
[   13.932049][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.932240][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.932424][   T36] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   13.932646][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.932801][   T36] CR2: 000055854ee36d5c CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   13.932986][   T36] PKRU: 55555554
[   13.933080][   T36] Call Trace:
[   13.933180][   T36]  <TASK>
[   13.933245][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.933369][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.933492][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.933597][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.933721][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.933878][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.934001][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.934132][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.934258][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.934380][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.934505][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.934636][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.934760][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.934889][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.935018][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.935148][   T36]  kthread (kernel/kthread.c:436)
[   13.935242][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.935396][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.935520][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.935652][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.935806][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.935931][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.936056][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.023521][  T330] ------------[ cut here ]------------
| [   14.023691][  T330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/330
| [   14.023926][  T330] Modules linked in: nf_tables
| [   14.024342][  T330] Tainted: [W]=WARN
[   14.024444][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.024617][  T330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.024790][  T330] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.025276][  T330] RSP: 0018:ffa0000000667020 EFLAGS: 00010286
[   14.025452][  T330] RAX: 00000000ffffffa6 RBX: ff1100000a505a80 RCX: 1ff40000000ccdca
[   14.025658][  T330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a505b3c
[   14.025863][  T330] RBP: ff11000011b99000 R08: 1fe22000014a0b69 R09: ff1100001008d158
[   14.026068][  T330] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.026272][  T330] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.026475][  T330] FS:  00007f93adf20840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   14.026714][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.026884][  T330] CR2: 00007f93ae1f01a0 CR3: 000000000580f005 CR4: 0000000000771ef0
[   14.027089][  T330] PKRU: 55555554
[   14.027194][  T330] Call Trace:
[   14.027296][  T330]  <TASK>
[   14.027365][  T330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.027501][  T330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.027610][  T330]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.027745][  T330]  __dev_notify_flags (net/core/dev.c:9787)
[   14.027882][  T330]  ? netif_change_name (net/core/dev.c:1495)
[   14.028019][  T330]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.028163][  T330]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.028298][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.028434][  T330]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.028583][  T330]  netif_change_flags (net/core/dev.c:9820)
[   14.028720][  T330]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.028858][  T330]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.029056][  T330]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.029242][  T330]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.029411][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.029553][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.029688][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.029822][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.029960][  T330]  ? __kernel_text_address (kernel/extable.c:79)
[   14.030190][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.030396][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.030530][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.030674][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.030807][  T330]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.030940][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.031077][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.031297][  T330]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.031433][  T330]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.031573][  T330]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.031709][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.031866][  T330]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.032072][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.032337][  T330]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.032477][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.032617][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.032751][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.032887][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.033021][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.033247][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.033382][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.033517][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.033659][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.033795][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.033931][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.034066][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.034276][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.034410][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.034551][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.034688][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.034824][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.034960][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.035151][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.035289][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.035423][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.035565][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.035703][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.035839][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.035975][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.036182][  T330]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.036317][  T330]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.036454][  T330]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.036596][  T330]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.036731][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.036901][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   14.037037][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.037212][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.037350][  T330]  ___sys_sendmsg (net/socket.c:2752)
[   14.037483][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.037656][  T330]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.037803][  T330]  __sys_sendmsg (net/socket.c:2784)
[   14.037940][  T330]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.038075][  T330]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.038249][  T330]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.038385][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.038522][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.038664][  T330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.038801][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.038937][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.039109][  T330] RIP: 0033:0x7f93ae15a08e
[   14.039252][  T330] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.039750][  T330] RSP: 002b:00007ffede744d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.040049][  T330] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f93ae15a08e
[   14.040371][  T330] RDX: 0000000000000000 RSI: 00007ffede744dc0 RDI: 0000000000000005
[   14.040689][  T330] RBP: 00007ffede744d20 R08: 0000000000000000 R09: 0000000000000000
[   14.040994][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfd
[   14.041236][  T330] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffede745490
| [   14.043473][   T39] ------------[ cut here ]------------
| [   14.043625][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   14.043877][   T39] Modules linked in: nf_tables
| [   14.044300][   T39] Tainted: [W]=WARN
[   14.044395][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.044558][   T39] Workqueue: events_unbound linkwatch_event
[   14.044724][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.044888][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.045355][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   14.045514][   T39] RAX: 00000000ffffffa6 RBX: ff1100000b578740 RCX: 1ff4000000057f02
[   14.045705][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5787fc
[   14.045891][   T39] RBP: ff1100000b864000 R08: 1fe22000016af101 R09: ff11000001da51a8
[   14.046081][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.046285][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.046473][   T39] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   14.046695][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.046854][   T39] CR2: 00007f1f9b495574 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   14.047041][   T39] PKRU: 55555554
[   14.047141][   T39] Call Trace:
[   14.047236][   T39]  <TASK>
[   14.047301][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.047426][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.047563][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.047659][   T39]  netif_state_change (net/core/dev.c:1605)
[   14.047784][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.047940][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.048064][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.048200][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.048329][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.048452][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.048582][   T39]  process_one_work (kernel/workqueue.c:3314)
[   14.048711][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.048836][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.048966][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.049160][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.049295][   T39]  kthread (kernel/kthread.c:436)
[   14.049390][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.049548][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.049674][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.049800][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.049956][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.050088][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.050221][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.137869][  T334] ------------[ cut here ]------------
| [   14.138041][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/334
| [   14.138288][  T334] Modules linked in: nf_tables
| [   14.138709][  T334] Tainted: [W]=WARN
[   14.138812][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.138983][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.139164][  T334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.139649][  T334] RSP: 0018:ffa0000000c07020 EFLAGS: 00010286
[   14.139822][  T334] RAX: 00000000ffffffa6 RBX: ff1100000dabe200 RCX: 1ff4000000180dca
[   14.140030][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabe2bc
[   14.140238][  T334] RBP: ff1100000fb04000 R08: 1fe2200001b57c59 R09: ff1100000ee5d158
[   14.140442][  T334] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.140655][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.140857][  T334] FS:  00007f53d567c840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   14.141099][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.141268][  T334] CR2: 000000000bad3988 CR3: 0000000004d9f005 CR4: 0000000000771ef0
[   14.141471][  T334] PKRU: 55555554
[   14.141579][  T334] Call Trace:
[   14.141681][  T334]  <TASK>
[   14.141751][  T334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.141888][  T334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.141992][  T334]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.142134][  T334]  __dev_notify_flags (net/core/dev.c:9787)
[   14.142272][  T334]  ? netif_change_name (net/core/dev.c:1495)
[   14.142406][  T334]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.142549][  T334]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.142683][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.142817][  T334]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.142954][  T334]  netif_change_flags (net/core/dev.c:9820)
[   14.143088][  T334]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.143884][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.144030][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.144173][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.144340][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.144475][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.144618][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.144752][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.144890][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   14.145026][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.145170][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.145303][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.145437][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.145577][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.145711][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.145845][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.145980][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.146124][  T334]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.146260][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.146418][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.146586][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.146722][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.146855][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.146989][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.147126][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.147259][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.147390][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.147520][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.147676][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.147820][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.147951][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.148083][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.148222][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.148353][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.148485][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.148622][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.148752][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.148883][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.149012][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.149147][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.149290][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.149422][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.149560][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.149690][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.149821][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.149953][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.150084][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.150223][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.150355][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.150488][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.150629][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.150762][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.150892][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.151053][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   14.151192][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.151326][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.151458][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   14.151613][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.151783][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.151933][  T334]  __sys_sendmsg (net/socket.c:2784)
[   14.152070][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.152204][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.152387][  T334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.152517][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.152681][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.152811][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.152941][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.153070][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.153235][  T334] RIP: 0033:0x7f53d58b608e
[   14.153375][  T334] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.153873][  T334] RSP: 002b:00007ffedf1d8240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.154074][  T334] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f53d58b608e
[   14.154276][  T334] RDX: 0000000000000000 RSI: 00007ffedf1d82f0 RDI: 0000000000000005
[   14.154488][  T334] RBP: 00007ffedf1d8250 R08: 0000000000000000 R09: 0000000000000000
[   14.154698][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfd
[   14.154902][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedf1d89c0
| [   14.419964][   T38] ------------[ cut here ]------------
| [   14.420266][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/38
| [   14.420693][   T38] Modules linked in: nf_tables
| [   14.421436][   T38] Tainted: [W]=WARN
[   14.421637][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.421923][   T38] Workqueue: events_unbound linkwatch_event
[   14.422258][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.422556][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.423293][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   14.423599][   T38] RAX: 00000000ffffffa6 RBX: ff1100000ee91e00 RCX: 1ff4000000055f02
[   14.423962][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee91ebc
[   14.424312][   T38] RBP: ff11000011b99000 R08: 1fe2200001dd23d9 R09: ff11000001da2ea8
[   14.424652][   T38] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.424981][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.425336][   T38] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   14.425716][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.426001][   T38] CR2: 000055854ee36d5c CR3: 0000000004ea9003 CR4: 0000000000771ef0
[   14.426344][   T38] PKRU: 55555554
[   14.426537][   T38] Call Trace:
[   14.426736][   T38]  <TASK>
[   14.426891][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.427148][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.427387][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.427591][   T38]  netif_state_change (net/core/dev.c:1605)
[   14.427836][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.428141][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.428385][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.428643][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.428886][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.429139][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.429375][   T38]  process_one_work (kernel/workqueue.c:3314)
[   14.429627][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.429862][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.430124][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.430366][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.430607][   T38]  kthread (kernel/kthread.c:436)
[   14.430797][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.431079][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.431332][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.431579][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.431861][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.432114][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.432349][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.441237][  T344] ------------[ cut here ]------------
| [   14.441400][  T344] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/344
| [   14.441633][  T344] Modules linked in: nf_tables
| [   14.442037][  T344] Tainted: [W]=WARN
[   14.442142][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.442313][  T344] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.442485][  T344] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.442963][  T344] RSP: 0018:ffa0000000c97020 EFLAGS: 00010286
[   14.443136][  T344] RAX: 00000000ffffffa6 RBX: ff1100000d0cf8c0 RCX: 1ff4000000192dca
[   14.443335][  T344] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0cf97c
[   14.443527][  T344] RBP: ff1100000c779000 R08: 1fe2200001a19f31 R09: ff1100000fb35158
[   14.443730][  T344] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.443921][  T344] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.444122][  T344] FS:  00007f0ad1010840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   14.444349][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.444513][  T344] CR2: 00007f0ad12e01a0 CR3: 000000000fbff003 CR4: 0000000000771ef0
[   14.444713][  T344] PKRU: 55555554
[   14.444811][  T344] Call Trace:
[   14.444908][  T344]  <TASK>
[   14.444977][  T344]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.445178][  T344]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.445277][  T344]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.445405][  T344]  __dev_notify_flags (net/core/dev.c:9787)
[   14.445535][  T344]  ? netif_change_name (net/core/dev.c:1495)
[   14.445671][  T344]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.445806][  T344]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.445939][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.446070][  T344]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.446298][  T344]  netif_change_flags (net/core/dev.c:9820)
[   14.446428][  T344]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.446562][  T344]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.446694][  T344]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.446826][  T344]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.446991][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.447203][  T344]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.447387][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.447517][  T344]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.447657][  T344]  ? __kernel_text_address (kernel/extable.c:79)
[   14.447790][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.447922][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.448052][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.448238][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.448368][  T344]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.448496][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.448630][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.448764][  T344]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.448896][  T344]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.449031][  T344]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.449217][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.449349][  T344]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.449482][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.449617][  T344]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.449751][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.449880][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.450008][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.450191][  T344]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.450318][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.450448][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.450580][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.450708][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.450836][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.450966][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.451136][  T344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.451265][  T344]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.451392][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.451520][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.451655][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.451783][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.451913][  T344]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.452044][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.452177][  T344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.452309][  T344]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.452438][  T344]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.452573][  T344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.452705][  T344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.452834][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.452963][  T344]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.453092][  T344]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.453227][  T344]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.453363][  T344]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.453492][  T344]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.453626][  T344]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.453786][  T344]  ? move_addr_to_kernel (net/socket.c:258)
[   14.453915][  T344]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.454044][  T344]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.454180][  T344]  ___sys_sendmsg (net/socket.c:2752)
[   14.454309][  T344]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.454469][  T344]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.454616][  T344]  __sys_sendmsg (net/socket.c:2784)
[   14.454747][  T344]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.454875][  T344]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.455037][  T344]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.455172][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.455310][  T344]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.455439][  T344]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.455573][  T344]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.455702][  T344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.455863][  T344] RIP: 0033:0x7f0ad124a08e
[   14.455999][  T344] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.456465][  T344] RSP: 002b:00007fff5c6c5220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.456666][  T344] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0ad124a08e
[   14.456857][  T344] RDX: 0000000000000000 RSI: 00007fff5c6c52d0 RDI: 0000000000000005
[   14.457050][  T344] RBP: 00007fff5c6c5230 R08: 0000000000000000 R09: 0000000000000000
[   14.457250][  T344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfd
[   14.457445][  T344] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5c6c59a0
| [   14.459719][   T39] ------------[ cut here ]------------
| [   14.459838][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   14.460067][   T39] Modules linked in: nf_tables
| [   14.461073][   T39] Tainted: [W]=WARN
[   14.461276][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.461425][   T39] Workqueue: events_unbound linkwatch_event
[   14.461581][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.461732][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.462231][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   14.462380][   T39] RAX: 00000000ffffffa6 RBX: ff1100001028ba80 RCX: 1ff4000000057f02
[   14.462557][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028bb3c
[   14.462733][   T39] RBP: ff1100000c779000 R08: 1fe2200002051769 R09: ff11000001da51a8
[   14.462911][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.463090][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.463308][   T39] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   14.463524][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.463684][   T39] CR2: 00007f0ad12e01a0 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   14.463863][   T39] PKRU: 55555554
[   14.463951][   T39] Call Trace:
[   14.464039][   T39]  <TASK>
[   14.464106][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.464225][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.464344][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.464439][   T39]  netif_state_change (net/core/dev.c:1605)
[   14.464561][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.464709][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.464827][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.464945][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.465066][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.465189][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.465308][   T39]  process_one_work (kernel/workqueue.c:3314)
[   14.465430][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.465552][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.465676][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.465798][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.465916][   T39]  kthread (kernel/kthread.c:436)
[   14.466009][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.466161][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.466280][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.466401][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.466550][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.466669][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.466787][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.468471][   T39] ------------[ cut here ]------------
| [   14.468609][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   14.468843][   T39] Modules linked in: nf_tables
| [   14.469256][   T39] Tainted: [W]=WARN
[   14.469347][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.469496][   T39] Workqueue: events_unbound linkwatch_event
[   14.469655][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.469813][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.470255][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   14.470405][   T39] RAX: 00000000ffffffa6 RBX: ff1100001028aac0 RCX: 1ff4000000057f02
[   14.470586][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028ab7c
[   14.470763][   T39] RBP: ff110000098c4000 R08: 1fe2200002051571 R09: ff11000001da51a8
[   14.470940][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.471125][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.471304][   T39] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   14.471515][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.471670][   T39] CR2: 00007f67a5eae574 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   14.471849][   T39] PKRU: 55555554
[   14.471938][   T39] Call Trace:
[   14.472027][   T39]  <TASK>
[   14.472090][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.472215][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.472336][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.472427][   T39]  netif_state_change (net/core/dev.c:1605)
[   14.472550][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.472699][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.472816][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.472934][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.473055][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.473178][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.473303][   T39]  process_one_work (kernel/workqueue.c:3314)
[   14.473426][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.473548][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.473671][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.473793][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.473911][   T39]  kthread (kernel/kthread.c:436)
[   14.474003][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.474158][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.474276][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.474395][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.474544][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.474664][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.474782][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.578467][  T348] ------------[ cut here ]------------
| [   14.578656][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/348
| [   14.578901][  T348] Modules linked in: nf_tables
| [   14.579329][  T348] Tainted: [W]=WARN
[   14.579432][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.579609][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.579785][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.580271][  T348] RSP: 0018:ffa0000000cd7020 EFLAGS: 00010286
[   14.580444][  T348] RAX: 00000000ffffffa6 RBX: ff1100000ee8fe00 RCX: 1ff400000019adca
[   14.580653][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee8febc
[   14.580857][  T348] RBP: ff1100000569c000 R08: 1fe2200001dd1fd9 R09: ff1100000f802e58
[   14.581062][  T348] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.581271][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.581474][  T348] FS:  00007fd9eff5c840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   14.581716][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.581889][  T348] CR2: 0000000035497988 CR3: 000000000fbf8004 CR4: 0000000000771ef0
[   14.582100][  T348] PKRU: 55555554
[   14.582202][  T348] Call Trace:
[   14.582305][  T348]  <TASK>
[   14.582376][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.582520][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.582632][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.582770][  T348]  __dev_notify_flags (net/core/dev.c:9787)
[   14.582906][  T348]  ? netif_change_name (net/core/dev.c:1495)
[   14.583043][  T348]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.583186][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.583321][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.583459][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.583602][  T348]  netif_change_flags (net/core/dev.c:9820)
[   14.583739][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.583877][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.584021][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.584162][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.584331][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.584465][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.584607][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.584741][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.584879][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   14.585016][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.585158][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.585293][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.585428][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.585566][  T348]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.585700][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.585837][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.585972][  T348]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.586112][  T348]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.586249][  T348]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.586382][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.586519][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.586658][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.586802][  T348]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.586941][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.587076][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.587215][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.587348][  T348]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.587481][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.587623][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.587755][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.587891][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.588026][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.588167][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.588301][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.588434][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.588571][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.588704][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.588843][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.588980][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.589121][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.589256][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.589391][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.589529][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.589667][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.589802][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.589939][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.590074][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.590213][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.590348][  T348]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.590484][  T348]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.590625][  T348]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.590759][  T348]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.590894][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.591067][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   14.591213][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.591349][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.591485][  T348]  ___sys_sendmsg (net/socket.c:2752)
[   14.591622][  T348]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.591791][  T348]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.591939][  T348]  __sys_sendmsg (net/socket.c:2784)
[   14.592077][  T348]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.592216][  T348]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.592387][  T348]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.592521][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.592661][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.592796][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.592932][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.593067][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.593241][  T348] RIP: 0033:0x7fd9f019608e
[   14.593385][  T348] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.593867][  T348] RSP: 002b:00007ffde6089400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.594072][  T348] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd9f019608e
[   14.594279][  T348] RDX: 0000000000000000 RSI: 00007ffde60894b0 RDI: 0000000000000005
[   14.594482][  T348] RBP: 00007ffde6089410 R08: 0000000000000000 R09: 0000000000000000
[   14.594686][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfd
[   14.594889][  T348] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde6089b80
| [   14.597150][   T36] ------------[ cut here ]------------
| [   14.597295][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   14.597548][   T36] Modules linked in: nf_tables
| [   14.597961][   T36] Tainted: [W]=WARN
[   14.598055][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.598229][   T36] Workqueue: events_unbound linkwatch_event
[   14.598391][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.598562][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.599003][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   14.599176][   T36] RAX: 00000000ffffffa6 RBX: ff1100000dabfe00 RCX: 1ff4000000051f02
[   14.599362][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabfebc
[   14.599551][   T36] RBP: ff1100000569c000 R08: 1fe2200001b57fd9 R09: ff11000001d751a8
[   14.599736][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   14.599921][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.600111][   T36] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   14.600333][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.600488][   T36] CR2: 000055855f147988 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   14.600680][   T36] PKRU: 55555554
[   14.600772][   T36] Call Trace:
[   14.600863][   T36]  <TASK>
[   14.600930][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.601054][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.601189][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.601284][   T36]  netif_state_change (net/core/dev.c:1605)
[   14.601408][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.601574][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.601699][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.601822][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.601948][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.602073][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.602202][   T36]  process_one_work (kernel/workqueue.c:3314)
[   14.602332][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.602455][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.602587][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.602716][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.602841][   T36]  kthread (kernel/kthread.c:436)
[   14.602935][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.603089][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.603219][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.603347][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.603502][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.603632][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.603756][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.605601][   T36] ------------[ cut here ]------------
| [   14.605781][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   14.606078][   T36] Modules linked in: nf_tables
| [   14.606606][   T36] Tainted: [W]=WARN
[   14.606746][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.606948][   T36] Workqueue: events_unbound linkwatch_event
[   14.607170][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.607389][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.607879][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   14.608121][   T36] RAX: 00000000ffffffa6 RBX: ff1100000bd18040 RCX: 1ff4000000051f02
[   14.608348][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd180fc
[   14.608587][   T36] RBP: ff11000005699000 R08: 1fe22000017a3021 R09: ff11000001d751a8
[   14.608815][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.609049][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.609305][   T36] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   14.609590][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.609792][   T36] CR2: 000055854ee36d5c CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   14.610026][   T36] PKRU: 55555554
[   14.610193][   T36] Call Trace:
[   14.610331][   T36]  <TASK>
[   14.610443][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.610629][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.610806][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.610954][   T36]  netif_state_change (net/core/dev.c:1605)
[   14.611143][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.611348][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.611521][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.611701][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.611875][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.612049][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.612236][   T36]  process_one_work (kernel/workqueue.c:3314)
[   14.612412][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.612588][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.612771][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.612949][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.613137][   T36]  kthread (kernel/kthread.c:436)
[   14.613280][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.613485][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.613666][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.613841][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.614046][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.614251][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.614430][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.685134][  T352] ------------[ cut here ]------------
| [   14.685293][  T352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/352
| [   14.685533][  T352] Modules linked in: nf_tables
| [   14.685951][  T352] Tainted: [W]=WARN
[   14.686051][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.686227][  T352] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.686407][  T352] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.686890][  T352] RSP: 0018:ffa0000000ce7020 EFLAGS: 00010286
[   14.687057][  T352] RAX: 00000000ffffffa6 RBX: ff1100000b8fcc80 RCX: 1ff400000019cdca
[   14.687261][  T352] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8fcd3c
[   14.687466][  T352] RBP: ff1100000fb91000 R08: 1fe220000171f9a9 R09: ff1100000fd95158
[   14.687667][  T352] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.687863][  T352] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.688062][  T352] FS:  00007fcda104e840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   14.688311][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.688483][  T352] CR2: 000000001aa58988 CR3: 000000000fe27006 CR4: 0000000000771ef0
[   14.688687][  T352] PKRU: 55555554
[   14.688786][  T352] Call Trace:
[   14.688886][  T352]  <TASK>
[   14.688955][  T352]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.689102][  T352]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.689207][  T352]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.689340][  T352]  __dev_notify_flags (net/core/dev.c:9787)
[   14.689474][  T352]  ? netif_change_name (net/core/dev.c:1495)
[   14.689611][  T352]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.689744][  T352]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.689876][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.690028][  T352]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.690173][  T352]  netif_change_flags (net/core/dev.c:9820)
[   14.690306][  T352]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.690441][  T352]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.690582][  T352]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.690719][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.690893][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.691026][  T352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.691165][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.691297][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.691431][  T352]  ? __kernel_text_address (kernel/extable.c:79)
[   14.691569][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.691703][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.691844][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.691980][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.692120][  T352]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.692253][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.692384][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.692517][  T352]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.692660][  T352]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.692794][  T352]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.692928][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.693065][  T352]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.693209][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.693345][  T352]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.693481][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.693623][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.693756][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.693888][  T352]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.694021][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.694165][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.694296][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.694435][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.694574][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.694708][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.694841][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.694974][  T352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.695113][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.695245][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.695386][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.695519][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.695655][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.695788][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.695922][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.696058][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.696205][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.696340][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.696474][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.696614][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.696748][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.696882][  T352]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.697016][  T352]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.697253][  T352]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.697389][  T352]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.697523][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.697692][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   14.697826][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.697959][  T352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.698194][  T352]  ___sys_sendmsg (net/socket.c:2752)
[   14.698327][  T352]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.698493][  T352]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.698644][  T352]  __sys_sendmsg (net/socket.c:2784)
[   14.698776][  T352]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.698908][  T352]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.699077][  T352]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.699282][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.699422][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.699566][  T352]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.699699][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.699832][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.699999][  T352] RIP: 0033:0x7fcda128808e
[   14.700229][  T352] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.700708][  T352] RSP: 002b:00007ffc859f70b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.700910][  T352] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcda128808e
[   14.701186][  T352] RDX: 0000000000000000 RSI: 00007ffc859f7160 RDI: 0000000000000005
[   14.701385][  T352] RBP: 00007ffc859f70c0 R08: 0000000000000000 R09: 0000000000000000
[   14.701590][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfd
[   14.701789][  T352] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc859f7830
| [   14.704323][   T36] ------------[ cut here ]------------
| [   14.704497][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   14.704794][   T36] Modules linked in: nf_tables
| [   14.705308][   T36] Tainted: [W]=WARN
[   14.705447][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.705659][   T36] Workqueue: events_unbound linkwatch_event
[   14.705879][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.706090][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.706595][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   14.706800][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b8fc040 RCX: 1ff4000000051f02
[   14.707026][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8fc0fc
[   14.707276][   T36] RBP: ff1100000fb04000 R08: 1fe220000171f821 R09: ff11000001d751a8
[   14.707504][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.707738][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.707980][   T36] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   14.708249][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.708450][   T36] CR2: 000055854ee36d5c CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   14.708689][   T36] PKRU: 55555554
[   14.708832][   T36] Call Trace:
[   14.708970][   T36]  <TASK>
[   14.709081][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.709265][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.709434][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.709585][   T36]  netif_state_change (net/core/dev.c:1605)
[   14.709759][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.709959][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.710145][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.710315][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.710487][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.710665][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.710836][   T36]  process_one_work (kernel/workqueue.c:3314)
[   14.711015][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.711201][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.711376][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.711559][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.711730][   T36]  kthread (kernel/kthread.c:436)
[   14.711871][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.712070][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.712257][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.712491][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.712702][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.712873][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.713043][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.002680][  T362] ------------[ cut here ]------------
| [   15.002861][  T362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/362
| [   15.003124][  T362] Modules linked in: nf_tables
| [   15.003568][  T362] Tainted: [W]=WARN
[   15.003677][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.003853][  T362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.004037][  T362] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.004538][  T362] RSP: 0018:ffa0000000d86e30 EFLAGS: 00010286
[   15.004720][  T362] RAX: 00000000ffffffa6 RBX: ff1100000cf29a80 RCX: 1ff40000001b0d8c
[   15.004927][  T362] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf29b3c
[   15.005139][  T362] RBP: ff1100000a6f4000 R08: 1fe22000019e5369 R09: ff1100000eff0b80
[   15.005346][  T362] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.005558][  T362] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c484b00
[   15.005768][  T362] FS:  00007f3c1af7a840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   15.006014][  T362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.006195][  T362] CR2: 00000000004eb188 CR3: 000000000e717001 CR4: 0000000000771ef0
[   15.006406][  T362] PKRU: 55555554
[   15.006511][  T362] Call Trace:
[   15.006621][  T362]  <TASK>
[   15.006695][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.006837][  T362]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.006979][  T362]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.007086][  T362]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   15.007234][  T362]  __dev_notify_flags (net/core/dev.c:9787)
[   15.007373][  T362]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   15.007511][  T362]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   15.007655][  T362]  ? netif_change_name (net/core/dev.c:1495)
[   15.007795][  T362]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.007933][  T362]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.008072][  T362]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.008213][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.008352][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.008492][  T362]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.008637][  T362]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.008776][  T362]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.008915][  T362]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.009057][  T362]  veth_newlink (drivers/net/veth.c:1871)
[   15.009203][  T362]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.009342][  T362]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.009482][  T362]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.009623][  T362]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.009776][  T362]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.009914][  T362]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.010053][  T362]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.010198][  T362]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.010339][  T362]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.010479][  T362]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.010624][  T362]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.010764][  T362]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.010902][  T362]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.011046][  T362]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.011196][  T362]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.011340][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.011478][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.011619][  T362]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.011758][  T362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.011896][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.012038][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.012183][  T362]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.012322][  T362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.012463][  T362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.012606][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.012744][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.012884][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.013040][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.013181][  T362]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.013317][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.013457][  T362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.013604][  T362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.013739][  T362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.013878][  T362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.014018][  T362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.014161][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.014300][  T362]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.014440][  T362]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.014583][  T362]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.014724][  T362]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.014866][  T362]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.015005][  T362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.015180][  T362]  ? move_addr_to_kernel (net/socket.c:258)
[   15.015321][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.015462][  T362]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.015606][  T362]  ___sys_sendmsg (net/socket.c:2752)
[   15.015838][  T362]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.015976][  T362]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.016123][  T362]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.016265][  T362]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.016494][  T362]  __sys_sendmsg (net/socket.c:2784)
[   15.016689][  T362]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.016850][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.016990][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.017225][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.017364][  T362]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.017502][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.017646][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.017905][  T362] RIP: 0033:0x7f3c1b1b408e
[   15.018051][  T362] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.018642][  T362] RSP: 002b:00007ffe8c87eb90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.018849][  T362] RAX: ffffffffffffffda RBX: 00007ffe8c87f338 RCX: 00007f3c1b1b408e
[   15.019150][  T362] RDX: 0000000000000000 RSI: 00007ffe8c87ec40 RDI: 0000000000000005
[   15.019356][  T362] RBP: 00007ffe8c87eba0 R08: 0000000000000000 R09: 0000000000000000
[   15.019564][  T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.019860][  T362] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8c87f310
| [   15.034559][  T362] ------------[ cut here ]------------
| [   15.034724][  T362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/362
| [   15.034965][  T362] Modules linked in: nf_tables
| [   15.035445][  T362] Tainted: [W]=WARN
[   15.035554][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.035727][  T362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.035906][  T362] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.036391][  T362] RSP: 0018:ffa0000000d871b0 EFLAGS: 00010286
[   15.036567][  T362] RAX: 00000000ffffffa6 RBX: ff1100000c80f8c0 RCX: 1ff40000001b0dfc
[   15.036774][  T362] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c80f97c
[   15.036977][  T362] RBP: ff11000009b2c000 R08: 1fe2200001901f31 R09: ff1100000eff0b80
[   15.037185][  T362] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.037387][  T362] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   15.037595][  T362] FS:  00007f3c1af7a840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   15.037835][  T362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.038005][  T362] CR2: 00000000004eb188 CR3: 000000000e717001 CR4: 0000000000771ef0
[   15.038213][  T362] PKRU: 55555554
[   15.038315][  T362] Call Trace:
[   15.038416][  T362]  <TASK>
[   15.038488][  T362]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.038634][  T362]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.038737][  T362]  __dev_notify_flags (net/core/dev.c:9787)
[   15.038874][  T362]  ? netif_change_name (net/core/dev.c:1495)
[   15.039011][  T362]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.039153][  T362]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.039291][  T362]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.039428][  T362]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.039571][  T362]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.039707][  T362]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.039842][  T362]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.039984][  T362]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.040129][  T362]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.040268][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.040405][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.040545][  T362]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.040682][  T362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.040817][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.040957][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.041098][  T362]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.041234][  T362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.041368][  T362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.041503][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.041642][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.041782][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.041919][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.042057][  T362]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.042287][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.042424][  T362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.042568][  T362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.042704][  T362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.042844][  T362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.042982][  T362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.043125][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.043262][  T362]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.043400][  T362]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.043539][  T362]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.043682][  T362]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.043819][  T362]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.043956][  T362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.044130][  T362]  ? move_addr_to_kernel (net/socket.c:258)
[   15.044266][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.044402][  T362]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.044538][  T362]  ___sys_sendmsg (net/socket.c:2752)
[   15.044678][  T362]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.044813][  T362]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.044954][  T362]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.045093][  T362]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.045235][  T362]  __sys_sendmsg (net/socket.c:2784)
[   15.045372][  T362]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.045513][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.045654][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.045792][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.045926][  T362]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.046064][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.046203][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.046371][  T362] RIP: 0033:0x7f3c1b1b408e
[   15.046512][  T362] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.047001][  T362] RSP: 002b:00007ffe8c87eb90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.047208][  T362] RAX: ffffffffffffffda RBX: 00007ffe8c87f338 RCX: 00007f3c1b1b408e
[   15.047411][  T362] RDX: 0000000000000000 RSI: 00007ffe8c87ec40 RDI: 0000000000000005
[   15.047616][  T362] RBP: 00007ffe8c87eba0 R08: 0000000000000000 R09: 0000000000000000
[   15.047818][  T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.048022][  T362] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8c87f310
| [   15.129632][  T365] ------------[ cut here ]------------
| [   15.129795][  T365] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/365
| [   15.130037][  T365] Modules linked in: nf_tables
| [   15.131037][  T365] Tainted: [W]=WARN
[   15.131200][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.131369][  T365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.131548][  T365] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.132020][  T365] RSP: 0018:ffa0000000da7020 EFLAGS: 00010286
[   15.132197][  T365] RAX: 00000000ffffffa6 RBX: ff1100000d0923c0 RCX: 1ff40000001b4dca
[   15.132400][  T365] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09247c
[   15.132604][  T365] RBP: ff11000009b2c000 R08: 1fe2200001a12491 R09: ff1100000a958b58
[   15.132803][  T365] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.133008][  T365] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.133214][  T365] FS:  00007f4486153840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   15.133447][  T365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.133620][  T365] CR2: 000000003d00c988 CR3: 000000000e747003 CR4: 0000000000771ef0
[   15.133821][  T365] PKRU: 55555554
[   15.133921][  T365] Call Trace:
[   15.134021][  T365]  <TASK>
[   15.134099][  T365]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.134234][  T365]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.134336][  T365]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.134470][  T365]  __dev_notify_flags (net/core/dev.c:9787)
[   15.134610][  T365]  ? netif_change_name (net/core/dev.c:1495)
[   15.134746][  T365]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.134880][  T365]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.135014][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.135154][  T365]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.135291][  T365]  netif_change_flags (net/core/dev.c:9820)
[   15.135424][  T365]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.135562][  T365]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.135697][  T365]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.135832][  T365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.135998][  T365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.136138][  T365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.136272][  T365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.136404][  T365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.136539][  T365]  ? __kernel_text_address (kernel/extable.c:79)
[   15.136680][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.136818][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.136950][  T365]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.137085][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.137222][  T365]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.137354][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.137488][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.137624][  T365]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.137759][  T365]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.137894][  T365]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.138027][  T365]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.138166][  T365]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.138301][  T365]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.138438][  T365]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.138580][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.138713][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.138844][  T365]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.138978][  T365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.139112][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.139248][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.139380][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.139513][  T365]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.139652][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.139800][  T365]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.139936][  T365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.140068][  T365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.140206][  T365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.140341][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.140477][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.140616][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.140752][  T365]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.140886][  T365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.141020][  T365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.141162][  T365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.141298][  T365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.141433][  T365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.141575][  T365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.141710][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.141844][  T365]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.141976][  T365]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.142114][  T365]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.142249][  T365]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.142385][  T365]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.142519][  T365]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.142687][  T365]  ? move_addr_to_kernel (net/socket.c:258)
[   15.142822][  T365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.142955][  T365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.143090][  T365]  ___sys_sendmsg (net/socket.c:2752)
[   15.143229][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.143396][  T365]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.143547][  T365]  __sys_sendmsg (net/socket.c:2784)
[   15.143681][  T365]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.143815][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.143983][  T365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.144123][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.144257][  T365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.144391][  T365]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.144525][  T365]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.144663][  T365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.144827][  T365] RIP: 0033:0x7f448638d08e
[   15.144967][  T365] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.145446][  T365] RSP: 002b:00007ffff2e11700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.145652][  T365] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f448638d08e
[   15.145850][  T365] RDX: 0000000000000000 RSI: 00007ffff2e117b0 RDI: 0000000000000005
[   15.146051][  T365] RBP: 00007ffff2e11710 R08: 0000000000000000 R09: 0000000000000000
[   15.146255][  T365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.146452][  T365] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff2e11e80
| [   15.214372][  T367] ------------[ cut here ]------------
| [   15.214550][  T367] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/367
| [   15.214801][  T367] Modules linked in: nf_tables
| [   15.215270][  T367] Tainted: [W]=WARN
[   15.215377][  T367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.215556][  T367] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.215740][  T367] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.216236][  T367] RSP: 0018:ffa0000000dc71b0 EFLAGS: 00010286
[   15.216413][  T367] RAX: 00000000ffffffa6 RBX: ff1100000fa37c40 RCX: 1ff40000001b8dfc
[   15.216625][  T367] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa37cfc
[   15.216831][  T367] RBP: ff1100000811c000 R08: 1fe2200001f46fa1 R09: ff1100000a9c8b80
[   15.217037][  T367] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.217245][  T367] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e08da0
[   15.217455][  T367] FS:  00007ff9e0f30840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   15.217707][  T367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.217881][  T367] CR2: 00000000004a2860 CR3: 000000001024f005 CR4: 0000000000771ef0
[   15.218089][  T367] PKRU: 55555554
[   15.218198][  T367] Call Trace:
[   15.218301][  T367]  <TASK>
[   15.218372][  T367]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.218514][  T367]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.218624][  T367]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   15.218764][  T367]  __dev_notify_flags (net/core/dev.c:9787)
[   15.218903][  T367]  ? netif_change_name (net/core/dev.c:1495)
[   15.219041][  T367]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   15.219187][  T367]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   15.219324][  T367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.219462][  T367]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   15.219605][  T367]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.219743][  T367]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.219881][  T367]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   15.220019][  T367]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.220164][  T367]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.220301][  T367]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.220439][  T367]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.220589][  T367]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.220731][  T367]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.220871][  T367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.221008][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.221153][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.221289][  T367]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.221427][  T367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.221574][  T367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.221716][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.221853][  T367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.221991][  T367]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.222133][  T367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.222269][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.222408][  T367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.222550][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.222691][  T367]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.222830][  T367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.222968][  T367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.223114][  T367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.223251][  T367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.223391][  T367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.223533][  T367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.223683][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.223825][  T367]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.223965][  T367]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.224110][  T367]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.224252][  T367]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.224391][  T367]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.224529][  T367]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.224705][  T367]  ? move_addr_to_kernel (net/socket.c:258)
[   15.224850][  T367]  ___sys_sendmsg (net/socket.c:2752)
[   15.224988][  T367]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.225137][  T367]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.225314][  T367]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.225455][  T367]  __sys_sendmsg (net/socket.c:2784)
[   15.225599][  T367]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.225743][  T367]  ? 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)
[   15.225885][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.226026][  T367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.226170][  T367]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.226308][  T367]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.226445][  T367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.226622][  T367] RIP: 0033:0x7ff9e116a08e
[   15.226767][  T367] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.227269][  T367] RSP: 002b:00007ffe81ba60f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.227478][  T367] RAX: ffffffffffffffda RBX: 00007ffe81ba6898 RCX: 00007ff9e116a08e
[   15.227693][  T367] RDX: 0000000000000000 RSI: 00007ffe81ba61a0 RDI: 0000000000000005
[   15.227901][  T367] RBP: 00007ffe81ba6100 R08: 0000000000000000 R09: 0000000000000000
[   15.228113][  T367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.228319][  T367] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe81ba6870
| [   15.253024][  T368] ------------[ cut here ]------------
| [   15.253705][  T368] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/368
| [   15.254081][  T368] Modules linked in: nf_tables
| [   15.254680][  T368] Tainted: [W]=WARN
[   15.254826][  T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.255045][  T368] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.255286][  T368] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.255809][  T368] RSP: 0018:ffa0000000dd7020 EFLAGS: 00010286
[   15.256028][  T368] RAX: 00000000ffffffa6 RBX: ff1100000e4cfa80 RCX: 1ff40000001badca
[   15.256306][  T368] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4cfb3c
[   15.256563][  T368] RBP: ff1100000811c000 R08: 1fe2200001c99f69 R09: ff1100000a9cae58
[   15.256811][  T368] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.257066][  T368] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.257329][  T368] FS:  00007f21aa236840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   15.257621][  T368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.257837][  T368] CR2: 00000000175f9988 CR3: 000000000deef001 CR4: 0000000000771ef0
[   15.258086][  T368] PKRU: 55555554
[   15.258245][  T368] Call Trace:
[   15.258397][  T368]  <TASK>
[   15.258514][  T368]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.258711][  T368]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.258862][  T368]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.259043][  T368]  __dev_notify_flags (net/core/dev.c:9787)
[   15.259241][  T368]  ? netif_change_name (net/core/dev.c:1495)
[   15.259423][  T368]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.259613][  T368]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.259797][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.259979][  T368]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.260271][  T368]  netif_change_flags (net/core/dev.c:9820)
[   15.260529][  T368]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.260772][  T368]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.261021][  T368]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.261304][  T368]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.261599][  T368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.261845][  T368]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.262170][  T368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.262385][  T368]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.262573][  T368]  ? __kernel_text_address (kernel/extable.c:79)
[   15.262756][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.262947][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.263141][  T368]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.263322][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.263503][  T368]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.263690][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.263869][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.264051][  T368]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.264247][  T368]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.264432][  T368]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.264622][  T368]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.264804][  T368]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.264988][  T368]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.265181][  T368]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.265370][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.265554][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.265735][  T368]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.265918][  T368]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.266110][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.266294][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.266474][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.266669][  T368]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.266854][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.267036][  T368]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.267234][  T368]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.267416][  T368]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.267609][  T368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.267793][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.267978][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.268170][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.268354][  T368]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.268535][  T368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.268730][  T368]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.268916][  T368]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.269111][  T368]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.269295][  T368]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.269477][  T368]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.269668][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.269853][  T368]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.270040][  T368]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.270239][  T368]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.270423][  T368]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.270611][  T368]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.270795][  T368]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.271007][  T368]  ? move_addr_to_kernel (net/socket.c:258)
[   15.271204][  T368]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.271392][  T368]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.271629][  T368]  ___sys_sendmsg (net/socket.c:2752)
[   15.271809][  T368]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.272023][  T368]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.272227][  T368]  __sys_sendmsg (net/socket.c:2784)
[   15.272409][  T368]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.272597][  T368]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.272820][  T368]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.273008][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.273204][  T368]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.273386][  T368]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.273573][  T368]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.273755][  T368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.273972][  T368] RIP: 0033:0x7f21aa47008e
[   15.274171][  T368] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.274700][  T368] RSP: 002b:00007ffe437b57f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.274954][  T368] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f21aa47008e
[   15.275210][  T368] RDX: 0000000000000000 RSI: 00007ffe437b58a0 RDI: 0000000000000005
[   15.275460][  T368] RBP: 00007ffe437b5800 R08: 0000000000000000 R09: 0000000000000000
[   15.275713][  T368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.275958][  T368] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe437b5f70
| [   15.324048][  T369] ------------[ cut here ]------------
| [   15.324256][  T369] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/369
| [   15.324539][  T369] Modules linked in: nf_tables
| [   15.325068][  T369] Tainted: [W]=WARN
[   15.325231][  T369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.325451][  T369] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.325685][  T369] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.326244][  T369] RSP: 0018:ffa0000000dc6f40 EFLAGS: 00010286
[   15.326475][  T369] RAX: 00000000ffffffa6 RBX: ff1100000dd86e40 RCX: 1ff40000001b8dae
[   15.326739][  T369] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd86efc
[   15.326989][  T369] RBP: ff1100000a6f4000 R08: 1fe2200001bb0de1 R09: ff1100000a9cd158
[   15.327249][  T369] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   15.327502][  T369] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   15.327766][  T369] FS:  00007f5dc4aa4840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   15.328056][  T369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.328285][  T369] CR2: 000000000a7f0988 CR3: 000000000507d003 CR4: 0000000000771ef0
[   15.328537][  T369] PKRU: 55555554
[   15.328697][  T369] Call Trace:
[   15.328848][  T369]  <TASK>
[   15.328967][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.329165][  T369]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.329351][  T369]  notifier_call_chain (kernel/notifier.c:85)
[   15.329540][  T369]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   15.329734][  T369]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   15.329920][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.330123][  T369]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.330305][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.330488][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.330682][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.330871][  T369]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   15.331060][  T369]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   15.331257][  T369]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   15.331445][  T369]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.331641][  T369]  do_set_master (net/core/rtnetlink.c:3011)
[   15.331826][  T369]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.332016][  T369]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   15.332217][  T369]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.332405][  T369]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.332633][  T369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.332820][  T369]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.333008][  T369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.333205][  T369]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.333393][  T369]  ? __kernel_text_address (kernel/extable.c:79)
[   15.333589][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.333778][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.333965][  T369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.334163][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.334348][  T369]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.334536][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.334735][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.334923][  T369]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.335122][  T369]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.335312][  T369]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.335501][  T369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.335697][  T369]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.335883][  T369]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.336071][  T369]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.336274][  T369]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.336462][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.336656][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.336843][  T369]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.337029][  T369]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.337225][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.337417][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.337611][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.337796][  T369]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.337982][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.338181][  T369]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.338367][  T369]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.338559][  T369]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.338747][  T369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.338935][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.339137][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.339320][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.339506][  T369]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.339695][  T369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.339880][  T369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.340067][  T369]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.340263][  T369]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.340453][  T369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.340649][  T369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.340836][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.341022][  T369]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.341219][  T369]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.341405][  T369]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.341595][  T369]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.341781][  T369]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.341965][  T369]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.342193][  T369]  ? move_addr_to_kernel (net/socket.c:258)
[   15.342378][  T369]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.342570][  T369]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.342756][  T369]  ___sys_sendmsg (net/socket.c:2752)
[   15.342939][  T369]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.343174][  T369]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.343371][  T369]  __sys_sendmsg (net/socket.c:2784)
[   15.343566][  T369]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.343751][  T369]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.343972][  T369]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.344173][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.344359][  T369]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.344556][  T369]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.344742][  T369]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.344928][  T369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.345159][  T369] RIP: 0033:0x7f5dc4cde08e
[   15.345349][  T369] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.345897][  T369] RSP: 002b:00007fff14b206a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.346164][  T369] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5dc4cde08e
[   15.346416][  T369] RDX: 0000000000000000 RSI: 00007fff14b20750 RDI: 0000000000000005
[   15.346678][  T369] RBP: 00007fff14b206b0 R08: 0000000000000000 R09: 0000000000000000
[   15.346934][  T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.347199][  T369] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff14b20e20
| [   15.426319][  T372] ------------[ cut here ]------------
| [   15.426479][  T372] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/372
| [   15.426719][  T372] Modules linked in: nf_tables
| [   15.427387][  T372] Tainted: [W]=WARN
[   15.427489][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.427660][  T372] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.427836][  T372] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.428327][  T372] RSP: 0018:ffa0000000e07020 EFLAGS: 00010286
[   15.428499][  T372] RAX: 00000000ffffffa6 RBX: ff1100000947c900 RCX: 1ff40000001c0dca
[   15.428711][  T372] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947c9bc
[   15.428912][  T372] RBP: ff1100000a6f4000 R08: 1fe220000128f939 R09: ff1100000b7a8b58
[   15.429119][  T372] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   15.429316][  T372] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.429519][  T372] FS:  00007f49a8581840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   15.429764][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.429934][  T372] CR2: 00007f49a88511a0 CR3: 0000000009bfe001 CR4: 0000000000771ef0
[   15.430140][  T372] PKRU: 55555554
[   15.430240][  T372] Call Trace:
[   15.430340][  T372]  <TASK>
[   15.430411][  T372]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.430552][  T372]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.430655][  T372]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.430789][  T372]  __dev_notify_flags (net/core/dev.c:9787)
[   15.430927][  T372]  ? netif_change_name (net/core/dev.c:1495)
[   15.431061][  T372]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.431202][  T372]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.431336][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.431471][  T372]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.431614][  T372]  netif_change_flags (net/core/dev.c:9820)
[   15.431749][  T372]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.431885][  T372]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.432023][  T372]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.432164][  T372]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.432330][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.432463][  T372]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.432602][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.432736][  T372]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.432870][  T372]  ? __kernel_text_address (kernel/extable.c:79)
[   15.433005][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.433146][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.433279][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.433448][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.433587][  T372]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.433720][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.433853][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.433986][  T372]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.434127][  T372]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.434264][  T372]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.434397][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.434533][  T372]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.434675][  T372]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.434811][  T372]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.434947][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.435080][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.435220][  T372]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.435356][  T372]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.435489][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.435628][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.435762][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.435897][  T372]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.436031][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.436184][  T372]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.436320][  T372]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.436454][  T372]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.436590][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.436723][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.436857][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.436988][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.437128][  T372]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.437260][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.437395][  T372]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.437533][  T372]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.437669][  T372]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.437804][  T372]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.437939][  T372]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.438074][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.438212][  T372]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.438349][  T372]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.438483][  T372]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.438622][  T372]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.438755][  T372]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.438889][  T372]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.439055][  T372]  ? move_addr_to_kernel (net/socket.c:258)
[   15.439195][  T372]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.439330][  T372]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.439465][  T372]  ___sys_sendmsg (net/socket.c:2752)
[   15.439603][  T372]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.439769][  T372]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.439914][  T372]  __sys_sendmsg (net/socket.c:2784)
[   15.440050][  T372]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.440189][  T372]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.440359][  T372]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.440496][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.440637][  T372]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.440771][  T372]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.440905][  T372]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.441040][  T372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.441211][  T372] RIP: 0033:0x7f49a87bb08e
[   15.441351][  T372] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.441835][  T372] RSP: 002b:00007ffc199ed750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.442037][  T372] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f49a87bb08e
[   15.442242][  T372] RDX: 0000000000000000 RSI: 00007ffc199ed800 RDI: 0000000000000005
[   15.442445][  T372] RBP: 00007ffc199ed760 R08: 0000000000000000 R09: 0000000000000000
[   15.442649][  T372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.442849][  T372] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc199eded0
| [   15.445398][   T36] ------------[ cut here ]------------
| [   15.445530][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   15.445781][   T36] Modules linked in: nf_tables
| [   15.446711][   T36] Tainted: [W]=WARN
[   15.446808][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.446966][   T36] Workqueue: events_unbound linkwatch_event
[   15.447154][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.447315][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.447994][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   15.448159][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c814900 RCX: 1ff4000000051f02
[   15.448345][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8149bc
[   15.448535][   T36] RBP: ff1100000fb91000 R08: 1fe2200001902939 R09: ff11000001d751a8
[   15.448730][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.448918][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.449112][   T36] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   15.449337][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.449493][   T36] CR2: 00007f49a88511a0 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   15.449689][   T36] PKRU: 55555554
[   15.449784][   T36] Call Trace:
[   15.449876][   T36]  <TASK>
[   15.449941][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.450067][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.450201][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.450298][   T36]  netif_state_change (net/core/dev.c:1605)
[   15.450423][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.450584][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.450708][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.450834][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.450960][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.451086][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.451218][   T36]  process_one_work (kernel/workqueue.c:3314)
[   15.451347][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.451476][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.451608][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.451735][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.451857][   T36]  kthread (kernel/kthread.c:436)
[   15.451953][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.452110][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.452235][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.452362][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.452518][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.452651][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.452776][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.454693][   T36] ------------[ cut here ]------------
| [   15.454824][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   15.455081][   T36] Modules linked in: nf_tables
| [   15.455521][   T36] Tainted: [W]=WARN
[   15.455620][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.455775][   T36] Workqueue: events_unbound linkwatch_event
[   15.455934][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.456242][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.456751][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   15.456907][   T36] RAX: 00000000ffffffa6 RBX: ff1100000ceba040 RCX: 1ff4000000051f02
[   15.457159][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceba0fc
[   15.457343][   T36] RBP: ff1100000a6f4000 R08: 1fe22000019d7421 R09: ff11000001d751a8
[   15.457527][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.457715][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.457900][   T36] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   15.458204][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.458358][   T36] CR2: 00007f49a88511a0 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   15.458547][   T36] PKRU: 55555554
[   15.458641][   T36] Call Trace:
[   15.458733][   T36]  <TASK>
[   15.458845][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.458976][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.459149][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.459243][   T36]  netif_state_change (net/core/dev.c:1605)
[   15.459365][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.459528][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.459661][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.459786][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.459915][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.460040][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.460212][   T36]  process_one_work (kernel/workqueue.c:3314)
[   15.460340][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.460463][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.460594][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.460720][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.460843][   T36]  kthread (kernel/kthread.c:436)
[   15.460939][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.461143][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.461267][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.461390][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.461550][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.461673][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.461801][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.463696][   T36] ------------[ cut here ]------------
| [   15.463835][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   15.464088][   T36] Modules linked in: nf_tables
| [   15.464511][   T36] Tainted: [W]=WARN
[   15.464613][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.464768][   T36] Workqueue: events_unbound linkwatch_event
[   15.464929][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.465092][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.465549][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   15.465707][   T36] RAX: 00000000ffffffa6 RBX: ff1100000cebba80 RCX: 1ff4000000051f02
[   15.465895][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cebbb3c
[   15.466080][   T36] RBP: ff11000009b2c000 R08: 1fe22000019d7769 R09: ff11000001d751a8
[   15.466284][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.466470][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.466666][   T36] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   15.466885][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.467040][   T36] CR2: 00007fd4c0b37574 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   15.467233][   T36] PKRU: 55555554
[   15.467329][   T36] Call Trace:
[   15.467423][   T36]  <TASK>
[   15.467489][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.467620][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.467747][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.467843][   T36]  netif_state_change (net/core/dev.c:1605)
[   15.467969][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.468132][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.468260][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.468388][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.468514][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.468643][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.468768][   T36]  process_one_work (kernel/workqueue.c:3314)
[   15.468895][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.469019][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.469155][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.469285][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.469408][   T36]  kthread (kernel/kthread.c:436)
[   15.469502][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.469665][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.469791][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.469913][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.470077][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.470208][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.470335][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.684165][  T380] ------------[ cut here ]------------
| [   15.684350][  T380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/380
| [   15.684597][  T380] Modules linked in: nf_tables
| [   15.685064][  T380] Tainted: [W]=WARN
[   15.685184][  T380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.685363][  T380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.685542][  T380] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.686048][  T380] RSP: 0018:ffa0000000e26e30 EFLAGS: 00010286
[   15.686228][  T380] RAX: 00000000ffffffa6 RBX: ff1100000c814c80 RCX: 1ff40000001c4d8c
[   15.686452][  T380] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c814d3c
[   15.686661][  T380] RBP: ff1100000e6ec000 R08: 1fe22000019029a9 R09: ff11000011ae2e80
[   15.686866][  T380] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.687091][  T380] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c445200
[   15.687304][  T380] FS:  00007fcad4e70840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   15.687551][  T380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.687723][  T380] CR2: 00000000004eb188 CR3: 0000000004cf7002 CR4: 0000000000771ef0
[   15.687928][  T380] PKRU: 55555554
[   15.688030][  T380] Call Trace:
[   15.688137][  T380]  <TASK>
[   15.688212][  T380]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.688356][  T380]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.688463][  T380]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.688644][  T380]  __dev_notify_flags (net/core/dev.c:9787)
[   15.688786][  T380]  ? netif_change_name (net/core/dev.c:1495)
[   15.688929][  T380]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.689065][  T380]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.689295][  T380]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.689434][  T380]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.689577][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.689716][  T380]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.689853][  T380]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.689989][  T380]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.690198][  T380]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.690338][  T380]  veth_newlink (drivers/net/veth.c:1871)
[   15.690475][  T380]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.690616][  T380]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.690754][  T380]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.690888][  T380]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.691039][  T380]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.691244][  T380]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.691447][  T380]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.691587][  T380]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.691725][  T380]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.691863][  T380]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.692001][  T380]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.692286][  T380]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.692428][  T380]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.692573][  T380]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.692713][  T380]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.692852][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.692986][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.693194][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.693329][  T380]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.693467][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.693609][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.693745][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.693880][  T380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.694016][  T380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.694188][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.694323][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.694462][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.694601][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.694737][  T380]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.694872][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.695006][  T380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.695150][  T380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.695287][  T380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.695429][  T380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.695577][  T380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.695718][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.695855][  T380]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.696024][  T380]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.696170][  T380]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.696308][  T380]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.696442][  T380]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.696585][  T380]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.696754][  T380]  ? move_addr_to_kernel (net/socket.c:258)
[   15.696892][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.697028][  T380]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.697168][  T380]  ___sys_sendmsg (net/socket.c:2752)
[   15.697303][  T380]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.697440][  T380]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.697586][  T380]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.697726][  T380]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.697865][  T380]  __sys_sendmsg (net/socket.c:2784)
[   15.698002][  T380]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.698145][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.698280][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.698417][  T380]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.698554][  T380]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.698692][  T380]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.698826][  T380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.698995][  T380] RIP: 0033:0x7fcad50aa08e
[   15.699158][  T380] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.699663][  T380] RSP: 002b:00007ffcadfecb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.699871][  T380] RAX: ffffffffffffffda RBX: 00007ffcadfed2c8 RCX: 00007fcad50aa08e
[   15.700073][  T380] RDX: 0000000000000000 RSI: 00007ffcadfecbd0 RDI: 0000000000000005
[   15.700280][  T380] RBP: 00007ffcadfecb30 R08: 0000000000000000 R09: 0000000000000000
[   15.700483][  T380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.700690][  T380] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcadfed2a0
| [   15.708221][  T380] ------------[ cut here ]------------
| [   15.708406][  T380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/380
| [   15.708697][  T380] Modules linked in: nf_tables
| [   15.709217][  T380] Tainted: [W]=WARN
[   15.709369][  T380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.709590][  T380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.709812][  T380] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.710345][  T380] RSP: 0018:ffa0000000e271b0 EFLAGS: 00010286
[   15.710568][  T380] RAX: 00000000ffffffa6 RBX: ff1100000badec80 RCX: 1ff40000001c4dfc
[   15.710815][  T380] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baded3c
[   15.711064][  T380] RBP: ff110000096bc000 R08: 1fe220000175bda9 R09: ff11000011ae2e80
[   15.711574][  T380] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.711820][  T380] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   15.712068][  T380] FS:  00007fcad4e70840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   15.712363][  T380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.712588][  T380] CR2: 00007f8fd7e4f000 CR3: 0000000004cf7005 CR4: 0000000000771ef0
[   15.712837][  T380] PKRU: 55555554
[   15.712984][  T380] Call Trace:
[   15.713144][  T380]  <TASK>
[   15.713263][  T380]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.713448][  T380]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.713606][  T380]  __dev_notify_flags (net/core/dev.c:9787)
[   15.713794][  T380]  ? netif_change_name (net/core/dev.c:1495)
[   15.713977][  T380]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.714175][  T380]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.714360][  T380]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.714553][  T380]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.714739][  T380]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.714922][  T380]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.715120][  T380]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.715310][  T380]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.715497][  T380]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.715690][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.715872][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.716056][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.716249][  T380]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.716431][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.716629][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.716812][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.716997][  T380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.717193][  T380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.717374][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.717561][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.717746][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.717928][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.718126][  T380]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.718310][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.718495][  T380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.718691][  T380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.718873][  T380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.719057][  T380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.719251][  T380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.719437][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.719629][  T380]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.719814][  T380]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.719998][  T380]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.720198][  T380]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.720380][  T380]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.720569][  T380]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.720783][  T380]  ? move_addr_to_kernel (net/socket.c:258)
[   15.720970][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.721166][  T380]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.721349][  T380]  ___sys_sendmsg (net/socket.c:2752)
[   15.721534][  T380]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.721724][  T380]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.721912][  T380]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.722113][  T380]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.722301][  T380]  __sys_sendmsg (net/socket.c:2784)
[   15.722483][  T380]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.722680][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.722865][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.723047][  T380]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.723242][  T380]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.723425][  T380]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.723615][  T380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.723832][  T380] RIP: 0033:0x7fcad50aa08e
[   15.724019][  T380] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.724557][  T380] RSP: 002b:00007ffcadfecb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.724811][  T380] RAX: ffffffffffffffda RBX: 00007ffcadfed2c8 RCX: 00007fcad50aa08e
[   15.725058][  T380] RDX: 0000000000000000 RSI: 00007ffcadfecbd0 RDI: 0000000000000005
[   15.725313][  T380] RBP: 00007ffcadfecb30 R08: 0000000000000000 R09: 0000000000000000
[   15.725566][  T380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddfe
[   15.725813][  T380] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcadfed2a0
| [   15.812906][  T383] ------------[ cut here ]------------
| [   15.813071][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/383
| [   15.813861][  T383] Modules linked in: nf_tables
| [   15.814272][  T383] Tainted: [W]=WARN
[   15.814370][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.814536][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.814708][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.815172][  T383] RSP: 0018:ffa0000000d27020 EFLAGS: 00010286
[   15.815336][  T383] RAX: 00000000ffffffa6 RBX: ff1100000a504ac0 RCX: 1ff40000001a4dca
[   15.815531][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a504b7c
[   15.815731][  T383] RBP: ff110000096bc000 R08: 1fe22000014a0971 R09: ff1100000d1e2e58
[   15.815924][  T383] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.816121][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.816316][  T383] FS:  00007fa4fb595840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   15.816552][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.816722][  T383] CR2: 000000002a924988 CR3: 000000000bfd6004 CR4: 0000000000771ef0
[   15.816917][  T383] PKRU: 55555554
[   15.817015][  T383] Call Trace:
[   15.817119][  T383]  <TASK>
[   15.817186][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.817317][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.817416][  T383]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.817550][  T383]  __dev_notify_flags (net/core/dev.c:9787)
[   15.817683][  T383]  ? netif_change_name (net/core/dev.c:1495)
[   15.817813][  T383]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.817943][  T383]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.818070][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.818205][  T383]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.818337][  T383]  netif_change_flags (net/core/dev.c:9820)
[   15.818469][  T383]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.818605][  T383]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.818736][  T383]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.818866][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.819029][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.819164][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.819292][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.819422][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.819555][  T383]  ? __kernel_text_address (kernel/extable.c:79)
[   15.819690][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.819824][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.819954][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.820089][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.820227][  T383]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.820364][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.820498][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.820635][  T383]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.820770][  T383]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.820902][  T383]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.821037][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.821173][  T383]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.821308][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.821447][  T383]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.821586][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.821718][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.821850][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.821981][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.822118][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.822253][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.822386][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.822520][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.822656][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.822789][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.822920][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.823052][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.823191][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.823324][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.823461][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.823601][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.823731][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.823860][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.823990][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.824129][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.824260][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.824393][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.824528][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.824661][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.824795][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.824927][  T383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.825061][  T383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.825201][  T383]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.825333][  T383]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.825465][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.825634][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   15.825766][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.825899][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.826031][  T383]  ___sys_sendmsg (net/socket.c:2752)
[   15.826168][  T383]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.826329][  T383]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.826474][  T383]  __sys_sendmsg (net/socket.c:2784)
[   15.826611][  T383]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.826740][  T383]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.826909][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.827040][  T383]  ? 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)
[   15.827175][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.827305][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.827434][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.827570][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.827698][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.827857][  T383] RIP: 0033:0x7fa4fb7cf08e
[   15.827993][  T383] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.828458][  T383] RSP: 002b:00007ffce51e4500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.828656][  T383] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4fb7cf08e
[   15.828849][  T383] RDX: 0000000000000000 RSI: 00007ffce51e45b0 RDI: 0000000000000005
[   15.829041][  T383] RBP: 00007ffce51e4510 R08: 0000000000000000 R09: 0000000000000000
[   15.829237][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   15.829430][  T383] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce51e4c80
| [   15.887473][  T385] ------------[ cut here ]------------
| [   15.887663][  T385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/385
| [   15.887899][  T385] Modules linked in: nf_tables
| [   15.888320][  T385] Tainted: [W]=WARN
[   15.888423][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.888596][  T385] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.888771][  T385] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.889296][  T385] RSP: 0018:ffa0000000e371b0 EFLAGS: 00010286
[   15.889468][  T385] RAX: 00000000ffffffa6 RBX: ff1100001028cc80 RCX: 1ff40000001c6dfc
[   15.889702][  T385] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028cd3c
[   15.889906][  T385] RBP: ff11000012639000 R08: 1fe22000020519a9 R09: ff1100000fabd180
[   15.890111][  T385] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.890316][  T385] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e08da0
[   15.890522][  T385] FS:  00007f014f2cd840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   15.890761][  T385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.890931][  T385] CR2: 00000000004a2860 CR3: 000000000fe7f005 CR4: 0000000000771ef0
[   15.891137][  T385] PKRU: 55555554
[   15.891238][  T385] Call Trace:
[   15.891338][  T385]  <TASK>
[   15.891409][  T385]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.891550][  T385]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.891652][  T385]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   15.891790][  T385]  __dev_notify_flags (net/core/dev.c:9787)
[   15.891926][  T385]  ? netif_change_name (net/core/dev.c:1495)
[   15.892396][  T385]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   15.892538][  T385]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   15.892677][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.892811][  T385]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   15.892945][  T385]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.893081][  T385]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.893224][  T385]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   15.893360][  T385]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.893497][  T385]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.893638][  T385]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.893773][  T385]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.893913][  T385]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.894077][  T385]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.894238][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.894381][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.894513][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.894651][  T385]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.894784][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.894920][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.895053][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.895193][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.895327][  T385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.895471][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.895608][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.895744][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.895877][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.896011][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.896151][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.896287][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.896423][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.896563][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.896698][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.896834][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.896968][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.897108][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.897243][  T385]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.897378][  T385]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.897515][  T385]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.897653][  T385]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.897786][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.897953][  T385]  ? move_addr_to_kernel (net/socket.c:258)
[   15.898090][  T385]  ___sys_sendmsg (net/socket.c:2752)
[   15.898230][  T385]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.898370][  T385]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.898707][  T385]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.898844][  T385]  __sys_sendmsg (net/socket.c:2784)
[   15.898979][  T385]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.899122][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.899261][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.899396][  T385]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.899530][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.899667][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.899836][  T385] RIP: 0033:0x7f014f50708e
[   15.899978][  T385] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.900493][  T385] RSP: 002b:00007ffe913b00b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.900701][  T385] RAX: ffffffffffffffda RBX: 00007ffe913b0858 RCX: 00007f014f50708e
[   15.900900][  T385] RDX: 0000000000000000 RSI: 00007ffe913b0160 RDI: 0000000000000005
[   15.901108][  T385] RBP: 00007ffe913b00c0 R08: 0000000000000000 R09: 0000000000000000
[   15.901307][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   15.901505][  T385] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe913b0830
| [   15.938823][  T386] ------------[ cut here ]------------
| [   15.938989][  T386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/386
| [   15.939226][  T386] Modules linked in: nf_tables
| [   15.939637][  T386] Tainted: [W]=WARN
[   15.939739][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.939903][  T386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.940074][  T386] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.940555][  T386] RSP: 0018:ffa0000000e47020 EFLAGS: 00010286
[   15.940721][  T386] RAX: 00000000ffffffa6 RBX: ff11000011944c80 RCX: 1ff40000001c8dca
[   15.940925][  T386] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011944d3c
[   15.941131][  T386] RBP: ff11000012639000 R08: 1fe22000023289a9 R09: ff1100000fee5158
[   15.941327][  T386] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   15.941523][  T386] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.941729][  T386] FS:  00007f3a7f96d840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   15.941994][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.942666][  T386] CR2: 000000003754e988 CR3: 0000000009afc002 CR4: 0000000000771ef0
[   15.942868][  T386] PKRU: 55555554
[   15.942974][  T386] Call Trace:
[   15.943073][  T386]  <TASK>
[   15.943146][  T386]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.943282][  T386]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.943387][  T386]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.943522][  T386]  __dev_notify_flags (net/core/dev.c:9787)
[   15.943660][  T386]  ? netif_change_name (net/core/dev.c:1495)
[   15.943793][  T386]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.943926][  T386]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.944058][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.944197][  T386]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.944333][  T386]  netif_change_flags (net/core/dev.c:9820)
[   15.944468][  T386]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.944605][  T386]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.944740][  T386]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.944874][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.945040][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.945174][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.945307][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.945437][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.945573][  T386]  ? __kernel_text_address (kernel/extable.c:79)
[   15.945709][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.945843][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.945976][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.946114][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.946247][  T386]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.946379][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.946512][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.946650][  T386]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.946784][  T386]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.946918][  T386]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.947050][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.947189][  T386]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.947326][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.947461][  T386]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.947599][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.947731][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.947862][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.947993][  T386]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.948131][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.948270][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.948401][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.948535][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.948712][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.948856][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.949001][  T386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.949145][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.949287][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.949427][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.949573][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.949716][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.949856][  T386]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.949997][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.950146][  T386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.950289][  T386]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.950428][  T386]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.950587][  T386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.950730][  T386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.950874][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.951017][  T386]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.951164][  T386]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.951310][  T386]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.951453][  T386]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.951598][  T386]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.951738][  T386]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.951917][  T386]  ? move_addr_to_kernel (net/socket.c:258)
[   15.952055][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.952202][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.952343][  T386]  ___sys_sendmsg (net/socket.c:2752)
[   15.952485][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.952665][  T386]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.952815][  T386]  __sys_sendmsg (net/socket.c:2784)
[   15.952952][  T386]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.953087][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.953264][  T386]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.953399][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.953534][  T386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.953676][  T386]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.953812][  T386]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.953947][  T386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.954123][  T386] RIP: 0033:0x7f3a7fba708e
[   15.954266][  T386] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.954741][  T386] RSP: 002b:00007ffe8bf22720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.954943][  T386] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3a7fba708e
[   15.955144][  T386] RDX: 0000000000000000 RSI: 00007ffe8bf227d0 RDI: 0000000000000005
[   15.955344][  T386] RBP: 00007ffe8bf22730 R08: 0000000000000000 R09: 0000000000000000
[   15.955543][  T386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   15.955745][  T386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8bf22ea0
| [   15.990876][  T387] ------------[ cut here ]------------
| [   15.991059][  T387] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/387
| [   15.991882][  T387] Modules linked in: nf_tables
| [   15.992303][  T387] Tainted: [W]=WARN
[   15.992404][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.992585][  T387] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.992766][  T387] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.993249][  T387] RSP: 0018:ffa0000000e56f40 EFLAGS: 00010286
[   15.993420][  T387] RAX: 00000000ffffffa6 RBX: ff1100000d0ce200 RCX: 1ff40000001cadae
[   15.993634][  T387] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ce2bc
[   15.993838][  T387] RBP: ff1100000e6ec000 R08: 1fe2200001a19c59 R09: ff1100000fee2e58
[   15.994040][  T387] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.994242][  T387] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   15.994447][  T387] FS:  00007fa863419840(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   15.994695][  T387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.994866][  T387] CR2: 0000000003818988 CR3: 000000000fe7f004 CR4: 0000000000771ef0
[   15.995067][  T387] PKRU: 55555554
[   15.995173][  T387] Call Trace:
[   15.995290][  T387]  <TASK>
[   15.995363][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.995497][  T387]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.995640][  T387]  notifier_call_chain (kernel/notifier.c:85)
[   15.995778][  T387]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   15.995918][  T387]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   15.996055][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.996199][  T387]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.996331][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.996463][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.996602][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.996740][  T387]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   15.996878][  T387]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   15.997013][  T387]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   15.997189][  T387]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.997335][  T387]  do_set_master (net/core/rtnetlink.c:3011)
[   15.997475][  T387]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.997622][  T387]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   15.997763][  T387]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.997905][  T387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.998078][  T387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.998223][  T387]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.998363][  T387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.998501][  T387]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.998647][  T387]  ? __kernel_text_address (kernel/extable.c:79)
[   15.998788][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.998932][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.999072][  T387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.999218][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.999357][  T387]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.999495][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.999648][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.999790][  T387]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.999931][  T387]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.000072][  T387]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.000215][  T387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.000356][  T387]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.000495][  T387]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.000643][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.000784][  T387]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.000925][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.001066][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.001210][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.001350][  T387]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.001489][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.001635][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.001773][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.001912][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.002052][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.002200][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.002343][  T387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.002482][  T387]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.002626][  T387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.002799][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.002939][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.003077][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.003235][  T387]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.003375][  T387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.003516][  T387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.003664][  T387]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.003803][  T387]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.003943][  T387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.004085][  T387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.004231][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.004373][  T387]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.004515][  T387]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.004663][  T387]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.004806][  T387]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.004948][  T387]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.005088][  T387]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.005267][  T387]  ? move_addr_to_kernel (net/socket.c:258)
[   16.005410][  T387]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.005554][  T387]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.005695][  T387]  ___sys_sendmsg (net/socket.c:2752)
[   16.005834][  T387]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.006007][  T387]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.006164][  T387]  __sys_sendmsg (net/socket.c:2784)
[   16.006304][  T387]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.006445][  T387]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.006629][  T387]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.006768][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.006910][  T387]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.007048][  T387]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.007195][  T387]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.007334][  T387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.007508][  T387] RIP: 0033:0x7fa86365308e
[   16.007662][  T387] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.008168][  T387] RSP: 002b:00007ffd46f29a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.008379][  T387] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa86365308e
[   16.008594][  T387] RDX: 0000000000000000 RSI: 00007ffd46f29ae0 RDI: 0000000000000005
[   16.008801][  T387] RBP: 00007ffd46f29a40 R08: 0000000000000000 R09: 0000000000000000
[   16.009011][  T387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.009225][  T387] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd46f2a1b0
| [   16.081626][  T390] ------------[ cut here ]------------
| [   16.081798][  T390] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/390
| [   16.082030][  T390] Modules linked in: nf_tables
| [   16.082452][  T390] Tainted: [W]=WARN
[   16.082559][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.082726][  T390] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.082897][  T390] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.083401][  T390] RSP: 0018:ffa0000000e77020 EFLAGS: 00010286
[   16.083582][  T390] RAX: 00000000ffffffa6 RBX: ff1100000bacac80 RCX: 1ff40000001cedca
[   16.083779][  T390] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bacad3c
[   16.083976][  T390] RBP: ff1100000e6ec000 R08: 1fe22000017595a9 R09: ff11000005a8d158
[   16.084175][  T390] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.084374][  T390] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.084579][  T390] FS:  00007fd163d37840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   16.084810][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.084978][  T390] CR2: 0000000014415988 CR3: 000000000c12f003 CR4: 0000000000771ef0
[   16.085184][  T390] PKRU: 55555554
[   16.085284][  T390] Call Trace:
[   16.085385][  T390]  <TASK>
[   16.085453][  T390]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.085593][  T390]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.085695][  T390]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.085829][  T390]  __dev_notify_flags (net/core/dev.c:9787)
[   16.085962][  T390]  ? netif_change_name (net/core/dev.c:1495)
[   16.086100][  T390]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.086234][  T390]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.086365][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.086497][  T390]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.086641][  T390]  netif_change_flags (net/core/dev.c:9820)
[   16.086776][  T390]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.086909][  T390]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.087048][  T390]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.087187][  T390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.087353][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.087486][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.087625][  T390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.087757][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.087893][  T390]  ? __kernel_text_address (kernel/extable.c:79)
[   16.088028][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.088169][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.088302][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.088438][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.088580][  T390]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.088712][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.088847][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.088981][  T390]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.089199][  T390]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.089335][  T390]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.089468][  T390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.089609][  T390]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.089762][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.089898][  T390]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.090033][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.090352][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.090542][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.090682][  T390]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.090814][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.090953][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.091086][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.091306][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.091441][  T390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.091581][  T390]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.091716][  T390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.091852][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.091985][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.092192][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.092329][  T390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.092463][  T390]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.092603][  T390]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.092737][  T390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.092872][  T390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.093009][  T390]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.093206][  T390]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.093344][  T390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.093478][  T390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.093616][  T390]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.093752][  T390]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.093885][  T390]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.094025][  T390]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.094221][  T390]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.094355][  T390]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.094490][  T390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.094657][  T390]  ? move_addr_to_kernel (net/socket.c:258)
[   16.094793][  T390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.094925][  T390]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.095059][  T390]  ___sys_sendmsg (net/socket.c:2752)
[   16.095198][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.095366][  T390]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.095514][  T390]  __sys_sendmsg (net/socket.c:2784)
[   16.095654][  T390]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.095786][  T390]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.095952][  T390]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.096085][  T390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.096225][  T390]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.096357][  T390]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.096495][  T390]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.096641][  T390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.096806][  T390] RIP: 0033:0x7fd163f7108e
[   16.096946][  T390] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.097425][  T390] RSP: 002b:00007ffcfba2dfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.097629][  T390] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd163f7108e
[   16.097827][  T390] RDX: 0000000000000000 RSI: 00007ffcfba2e080 RDI: 0000000000000005
[   16.098090][  T390] RBP: 00007ffcfba2dfe0 R08: 0000000000000000 R09: 0000000000000000
[   16.098338][  T390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.098538][  T390] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfba2e750
| [   16.101146][   T39] ------------[ cut here ]------------
| [   16.101286][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   16.101525][   T39] Modules linked in: nf_tables
| [   16.101937][   T39] Tainted: [W]=WARN
[   16.102030][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.102754][   T39] Workqueue: events_unbound linkwatch_event
[   16.103009][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.103199][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.103644][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   16.103796][   T39] RAX: 00000000ffffffa6 RBX: ff1100001186e040 RCX: 1ff4000000057f02
[   16.103975][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001186e0fc
[   16.104171][   T39] RBP: ff1100000e6ec000 R08: 1fe220000230dc21 R09: ff11000001da51a8
[   16.104351][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   16.104532][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.104717][   T39] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   16.104930][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.105081][   T39] CR2: 0000000014415988 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   16.105271][   T39] PKRU: 55555554
[   16.105361][   T39] Call Trace:
[   16.105452][   T39]  <TASK>
[   16.105517][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.105642][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.105775][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.105878][   T39]  netif_state_change (net/core/dev.c:1605)
[   16.106004][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   16.106163][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.106284][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.106406][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.106620][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.106742][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   16.106868][   T39]  process_one_work (kernel/workqueue.c:3314)
[   16.106993][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.107193][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.107317][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.107442][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.107567][   T39]  kthread (kernel/kthread.c:436)
[   16.107732][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.107881][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.108002][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.108128][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.108356][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.108478][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.108607][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.118224][   T39] ------------[ cut here ]------------
| [   16.118413][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   16.118677][   T39] Modules linked in: nf_tables
| [   16.119080][   T39] Tainted: [W]=WARN
[   16.119187][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.119345][   T39] Workqueue: events_unbound linkwatch_event
[   16.119505][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.119675][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.120115][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   16.120270][   T39] RAX: 00000000ffffffa6 RBX: ff1100001186eac0 RCX: 1ff4000000057f02
[   16.120454][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001186eb7c
[   16.120642][   T39] RBP: ff110000096bc000 R08: 1fe220000230dd71 R09: ff11000001da51a8
[   16.120823][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   16.121003][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.121198][   T39] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   16.121408][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.121563][   T39] CR2: 000055855f1437c8 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   16.121750][   T39] PKRU: 55555554
[   16.121842][   T39] Call Trace:
[   16.121934][   T39]  <TASK>
[   16.121999][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.122129][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.122251][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.122344][   T39]  netif_state_change (net/core/dev.c:1605)
[   16.122466][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   16.122631][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.122756][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.122880][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.123006][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.123133][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   16.123255][   T39]  process_one_work (kernel/workqueue.c:3314)
[   16.123379][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.123501][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.123635][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.123766][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.123889][   T39]  kthread (kernel/kthread.c:436)
[   16.123984][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.124144][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.124268][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.124392][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.124548][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.124677][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.124799][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.341982][  T398] ------------[ cut here ]------------
| [   16.342740][  T398] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/398
| [   16.343027][  T398] Modules linked in: nf_tables
| [   16.343563][  T398] Tainted: [W]=WARN
[   16.343712][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.343926][  T398] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.344163][  T398] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.344692][  T398] RSP: 0018:ffa0000000eb6e30 EFLAGS: 00010286
[   16.344908][  T398] RAX: 00000000ffffffa6 RBX: ff1100000dabf1c0 RCX: 1ff40000001d6d8c
[   16.345170][  T398] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabf27c
[   16.345417][  T398] RBP: ff110000096c4000 R08: 1fe2200001b57e51 R09: ff1100000ec8d180
[   16.345704][  T398] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.345951][  T398] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000060f4b00
[   16.346211][  T398] FS:  00007f2d09cf5840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   16.346491][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.346715][  T398] CR2: 00000000004eb188 CR3: 000000001262f003 CR4: 0000000000771ef0
[   16.346964][  T398] PKRU: 55555554
[   16.347124][  T398] Call Trace:
[   16.347269][  T398]  <TASK>
[   16.347385][  T398]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.347573][  T398]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.347722][  T398]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   16.347935][  T398]  __dev_notify_flags (net/core/dev.c:9787)
[   16.348131][  T398]  ? netif_change_name (net/core/dev.c:1495)
[   16.348315][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.348495][  T398]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.348683][  T398]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.348866][  T398]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   16.349047][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.349242][  T398]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.349422][  T398]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.349612][  T398]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.349792][  T398]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   16.349975][  T398]  veth_newlink (drivers/net/veth.c:1871)
[   16.350170][  T398]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   16.350348][  T398]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.350528][  T398]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.350713][  T398]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.350913][  T398]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   16.351106][  T398]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   16.351287][  T398]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   16.351468][  T398]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   16.351658][  T398]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   16.351841][  T398]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   16.352024][  T398]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.352222][  T398]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.352405][  T398]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.352725][  T398]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.352913][  T398]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.353110][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.353291][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.353473][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.353660][  T398]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.353845][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.354033][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.354229][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.354411][  T398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.354612][  T398]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.354799][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.354981][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.355178][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.355361][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.355543][  T398]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.355730][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.355913][  T398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.356109][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.356288][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.356471][  T398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.356663][  T398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.356844][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.357027][  T398]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.357226][  T398]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.357410][  T398]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.357598][  T398]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.357781][  T398]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.357961][  T398]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.358193][  T398]  ? move_addr_to_kernel (net/socket.c:258)
[   16.358377][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.358565][  T398]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   16.358883][  T398]  ___sys_sendmsg (net/socket.c:2752)
[   16.359066][  T398]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   16.359261][  T398]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.359445][  T398]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   16.359641][  T398]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   16.359825][  T398]  __sys_sendmsg (net/socket.c:2784)
[   16.360009][  T398]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.360208][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.360394][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.360583][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.360766][  T398]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.360949][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.361147][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.361362][  T398] RIP: 0033:0x7f2d09f2f08e
[   16.361556][  T398] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.362073][  T398] RSP: 002b:00007fff0be3d300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.362334][  T398] RAX: ffffffffffffffda RBX: 00007fff0be3daa8 RCX: 00007f2d09f2f08e
[   16.362588][  T398] RDX: 0000000000000000 RSI: 00007fff0be3d3b0 RDI: 0000000000000005
[   16.362833][  T398] RBP: 00007fff0be3d310 R08: 0000000000000000 R09: 0000000000000000
[   16.363076][  T398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.363336][  T398] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0be3da80
| [   16.384049][  T398] ------------[ cut here ]------------
| [   16.384255][  T398] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/398
| [   16.384525][  T398] Modules linked in: nf_tables
| [   16.385053][  T398] Tainted: [W]=WARN
[   16.385219][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.385430][  T398] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.385654][  T398] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.386174][  T398] RSP: 0018:ffa0000000eb71b0 EFLAGS: 00010286
[   16.386389][  T398] RAX: 00000000ffffffa6 RBX: ff11000008d5de00 RCX: 1ff40000001d6dfc
[   16.386639][  T398] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d5debc
[   16.386880][  T398] RBP: ff110000096c1000 R08: 1fe22000011abbd9 R09: ff1100000ec8d180
[   16.387134][  T398] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.387377][  T398] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   16.387627][  T398] FS:  00007f2d09cf5840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   16.387900][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.388123][  T398] CR2: 00000000004eb188 CR3: 000000001262f003 CR4: 0000000000771ef0
[   16.388366][  T398] PKRU: 55555554
[   16.388514][  T398] Call Trace:
[   16.388663][  T398]  <TASK>
[   16.388778][  T398]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.388958][  T398]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.389119][  T398]  __dev_notify_flags (net/core/dev.c:9787)
[   16.389298][  T398]  ? netif_change_name (net/core/dev.c:1495)
[   16.389476][  T398]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   16.389659][  T398]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   16.389844][  T398]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.390025][  T398]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.390215][  T398]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.390396][  T398]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.390580][  T398]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.390766][  T398]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.390949][  T398]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.391141][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.391322][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.391502][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.391687][  T398]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.391865][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.392048][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.392240][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.392419][  T398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.392610][  T398]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.392789][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.392966][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.393161][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.393337][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.393516][  T398]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.393700][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.393880][  T398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.394065][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.394253][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.394433][  T398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.394620][  T398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.394798][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.394978][  T398]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.395170][  T398]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.395349][  T398]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.395533][  T398]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.395722][  T398]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.395901][  T398]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.396120][  T398]  ? move_addr_to_kernel (net/socket.c:258)
[   16.396301][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.396499][  T398]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   16.396691][  T398]  ___sys_sendmsg (net/socket.c:2752)
[   16.396872][  T398]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   16.397052][  T398]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.397247][  T398]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   16.397429][  T398]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   16.397617][  T398]  __sys_sendmsg (net/socket.c:2784)
[   16.397796][  T398]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.397976][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.398171][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.398349][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.398529][  T398]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.398715][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.398894][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.399115][  T398] RIP: 0033:0x7f2d09f2f08e
[   16.399300][  T398] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.399817][  T398] RSP: 002b:00007fff0be3d300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.400061][  T398] RAX: ffffffffffffffda RBX: 00007fff0be3daa8 RCX: 00007f2d09f2f08e
[   16.400312][  T398] RDX: 0000000000000000 RSI: 00007fff0be3d3b0 RDI: 0000000000000005
[   16.400563][  T398] RBP: 00007fff0be3d310 R08: 0000000000000000 R09: 0000000000000000
[   16.400805][  T398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.401048][  T398] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0be3da80
| [   16.507258][  T401] ------------[ cut here ]------------
| [   16.507498][  T401] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/401
| [   16.507840][  T401] Modules linked in: nf_tables
| [   16.508436][  T401] Tainted: [W]=WARN
[   16.508582][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.508818][  T401] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.509070][  T401] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.509751][  T401] RSP: 0018:ffa0000000ee7020 EFLAGS: 00010286
[   16.509988][  T401] RAX: 00000000ffffffa6 RBX: ff1100000b579a80 RCX: 1ff40000001dcdca
[   16.510279][  T401] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b579b3c
[   16.510564][  T401] RBP: ff110000096c1000 R08: 1fe22000016af369 R09: ff1100001008d158
[   16.510845][  T401] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.511145][  T401] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.511436][  T401] FS:  00007f7aea682840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   16.511784][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.512028][  T401] CR2: 00007f7aea9521a0 CR3: 000000001264f006 CR4: 0000000000771ef0
[   16.512328][  T401] PKRU: 55555554
[   16.512475][  T401] Call Trace:
[   16.512625][  T401]  <TASK>
[   16.512727][  T401]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.512930][  T401]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.513078][  T401]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.513280][  T401]  __dev_notify_flags (net/core/dev.c:9787)
[   16.513480][  T401]  ? netif_change_name (net/core/dev.c:1495)
[   16.513680][  T401]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.513874][  T401]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.514066][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.514271][  T401]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.514468][  T401]  netif_change_flags (net/core/dev.c:9820)
[   16.514667][  T401]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.514859][  T401]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.515053][  T401]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.515255][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.515491][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.515684][  T401]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.515871][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.516057][  T401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.516254][  T401]  ? __kernel_text_address (kernel/extable.c:79)
[   16.516443][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.516644][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.516833][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.517018][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.517209][  T401]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.517396][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.517586][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.517774][  T401]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.517964][  T401]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.518158][  T401]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.518347][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.518544][  T401]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.518742][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.518941][  T401]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.519138][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.519323][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.519507][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.519699][  T401]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.519889][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.520078][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.520270][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.520461][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.520651][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.520840][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.521028][  T401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.521223][  T401]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.521410][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.521601][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.521793][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.521979][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.522178][  T401]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.522367][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.522563][  T401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.522761][  T401]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.522953][  T401]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.523151][  T401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.523341][  T401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.523530][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.523724][  T401]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.523916][  T401]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.524116][  T401]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.524311][  T401]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.524501][  T401]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.524698][  T401]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.524935][  T401]  ? move_addr_to_kernel (net/socket.c:258)
[   16.525136][  T401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.525328][  T401]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.525521][  T401]  ___sys_sendmsg (net/socket.c:2752)
[   16.525722][  T401]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.525963][  T401]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.526176][  T401]  __sys_sendmsg (net/socket.c:2784)
[   16.526362][  T401]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.526558][  T401]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.526806][  T401]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.526997][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.527196][  T401]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.527382][  T401]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.527583][  T401]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.527770][  T401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.528007][  T401] RIP: 0033:0x7f7aea8bc08e
[   16.528215][  T401] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.528908][  T401] RSP: 002b:00007ffc58d00bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.529200][  T401] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7aea8bc08e
[   16.529500][  T401] RDX: 0000000000000000 RSI: 00007ffc58d00ca0 RDI: 0000000000000005
[   16.529802][  T401] RBP: 00007ffc58d00c00 R08: 0000000000000000 R09: 0000000000000000
[   16.530106][  T401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.530397][  T401] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc58d01370
| [   16.605049][  T403] ------------[ cut here ]------------
| [   16.605256][  T403] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/403
| [   16.605537][  T403] Modules linked in: nf_tables
| [   16.606061][  T403] Tainted: [W]=WARN
[   16.606221][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.606437][  T403] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.606667][  T403] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.607203][  T403] RSP: 0018:ffa0000000ef71b0 EFLAGS: 00010286
[   16.607421][  T403] RAX: 00000000ffffffa6 RBX: ff1100000943b1c0 RCX: 1ff40000001dedfc
[   16.607674][  T403] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000943b27c
[   16.607920][  T403] RBP: ff1100000b431000 R08: 1fe2200001287651 R09: ff11000010088b80
[   16.608177][  T403] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.608425][  T403] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e08da0
[   16.608682][  T403] FS:  00007fdc10941840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   16.608962][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.609189][  T403] CR2: 00000000004a2860 CR3: 000000001247d004 CR4: 0000000000771ef0
[   16.609437][  T403] PKRU: 55555554
[   16.609590][  T403] Call Trace:
[   16.609737][  T403]  <TASK>
[   16.609858][  T403]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.610044][  T403]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.610208][  T403]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   16.610389][  T403]  __dev_notify_flags (net/core/dev.c:9787)
[   16.610578][  T403]  ? netif_change_name (net/core/dev.c:1495)
[   16.610757][  T403]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   16.610944][  T403]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   16.611138][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.611320][  T403]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   16.611501][  T403]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   16.611692][  T403]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.611876][  T403]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   16.612057][  T403]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.612250][  T403]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.612430][  T403]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.612619][  T403]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.612808][  T403]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.612993][  T403]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.613186][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.613369][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.613558][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.613737][  T403]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.613918][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.614116][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.614298][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.614480][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.614670][  T403]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.614866][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.615045][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.615240][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.615419][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.615610][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.615794][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.615978][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.616178][  T403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.616358][  T403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.616541][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.616732][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.616914][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.617111][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.617293][  T403]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.617473][  T403]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.617661][  T403]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.617844][  T403]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.618026][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.618250][  T403]  ? move_addr_to_kernel (net/socket.c:258)
[   16.618434][  T403]  ___sys_sendmsg (net/socket.c:2752)
[   16.618622][  T403]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.618811][  T403]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.619030][  T403]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   16.619226][  T403]  __sys_sendmsg (net/socket.c:2784)
[   16.619406][  T403]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.619599][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.619782][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.619963][  T403]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.620158][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.620343][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.620562][  T403] RIP: 0033:0x7fdc10b7b08e
[   16.620750][  T403] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.621279][  T403] RSP: 002b:00007ffc68f64bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.621530][  T403] RAX: ffffffffffffffda RBX: 00007ffc68f65368 RCX: 00007fdc10b7b08e
[   16.621783][  T403] RDX: 0000000000000000 RSI: 00007ffc68f64c70 RDI: 0000000000000005
[   16.622025][  T403] RBP: 00007ffc68f64bd0 R08: 0000000000000000 R09: 0000000000000000
[   16.622276][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.622526][  T403] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc68f65340
| [   16.657662][  T404] ------------[ cut here ]------------
| [   16.657849][  T404] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/404
| [   16.658138][  T404] Modules linked in: nf_tables
| [   16.658642][  T404] Tainted: [W]=WARN
[   16.658786][  T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.658995][  T404] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.659224][  T404] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.659741][  T404] RSP: 0018:ffa0000000f07020 EFLAGS: 00010286
[   16.659952][  T404] RAX: 00000000ffffffa6 RBX: ff1100000c37c900 RCX: 1ff40000001e0dca
[   16.660206][  T404] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37c9bc
[   16.660447][  T404] RBP: ff1100000b431000 R08: 1fe220000186f939 R09: ff1100000fd48b58
[   16.660689][  T404] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   16.660926][  T404] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.661179][  T404] FS:  00007f0654842840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   16.661452][  T404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.661672][  T404] CR2: 00007f0654b121a0 CR3: 000000000bee0006 CR4: 0000000000771ef0
[   16.661916][  T404] PKRU: 55555554
[   16.662061][  T404] Call Trace:
[   16.662586][  T404]  <TASK>
[   16.662701][  T404]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.662887][  T404]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.663033][  T404]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.663223][  T404]  __dev_notify_flags (net/core/dev.c:9787)
[   16.663403][  T404]  ? netif_change_name (net/core/dev.c:1495)
[   16.663587][  T404]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.663766][  T404]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.663941][  T404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.664134][  T404]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.664314][  T404]  netif_change_flags (net/core/dev.c:9820)
[   16.664492][  T404]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.664679][  T404]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.664861][  T404]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.665037][  T404]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.665262][  T404]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.665439][  T404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.665626][  T404]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.665800][  T404]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.665980][  T404]  ? __kernel_text_address (kernel/extable.c:79)
[   16.666171][  T404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.666350][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.666527][  T404]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.666717][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.666896][  T404]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.667075][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.667264][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.667443][  T404]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.667629][  T404]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.667806][  T404]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.667984][  T404]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.668174][  T404]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.668355][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.668536][  T404]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.668725][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.668899][  T404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.669077][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.669266][  T404]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.669444][  T404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.669631][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.669807][  T404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.669984][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.670174][  T404]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.670353][  T404]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.670532][  T404]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.670716][  T404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.670895][  T404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.671073][  T404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.671265][  T404]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.671442][  T404]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.671629][  T404]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.671809][  T404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.671988][  T404]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.672179][  T404]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.672353][  T404]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.672531][  T404]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.672718][  T404]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.672896][  T404]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.673075][  T404]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.673265][  T404]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.673443][  T404]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.673630][  T404]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.673809][  T404]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.673986][  T404]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.674205][  T404]  ? move_addr_to_kernel (net/socket.c:258)
[   16.674384][  T404]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.674568][  T404]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.674747][  T404]  ___sys_sendmsg (net/socket.c:2752)
[   16.674924][  T404]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.675147][  T404]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.675339][  T404]  __sys_sendmsg (net/socket.c:2784)
[   16.675516][  T404]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.675695][  T404]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.675907][  T404]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.676087][  T404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.676283][  T404]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.676461][  T404]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.676647][  T404]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.676825][  T404]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.677035][  T404] RIP: 0033:0x7f0654a7c08e
[   16.677234][  T404] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.677746][  T404] RSP: 002b:00007ffdcf483090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.677987][  T404] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0654a7c08e
[   16.678241][  T404] RDX: 0000000000000000 RSI: 00007ffdcf483140 RDI: 0000000000000005
[   16.678479][  T404] RBP: 00007ffdcf4830a0 R08: 0000000000000000 R09: 0000000000000000
[   16.678726][  T404] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.678964][  T404] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcf483810
| [   16.704071][  T405] ------------[ cut here ]------------
| [   16.704230][  T405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/405
| [   16.704462][  T405] Modules linked in: nf_tables
| [   16.704882][  T405] Tainted: [W]=WARN
[   16.704983][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.705156][  T405] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.705328][  T405] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.705809][  T405] RSP: 0018:ffa0000000f16f40 EFLAGS: 00010286
[   16.705975][  T405] RAX: 00000000ffffffa6 RBX: ff1100000c37be00 RCX: 1ff40000001e2dae
[   16.706181][  T405] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37bebc
[   16.706377][  T405] RBP: ff110000096c4000 R08: 1fe220000186f7d9 R09: ff1100000ee58b58
[   16.706585][  T405] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   16.706781][  T405] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   16.706982][  T405] FS:  00007f0c5eef0840(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   16.707222][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.707393][  T405] CR2: 00007f0c5f1c01a0 CR3: 000000000fc25002 CR4: 0000000000771ef0
[   16.707598][  T405] PKRU: 55555554
[   16.707698][  T405] Call Trace:
[   16.707798][  T405]  <TASK>
[   16.707868][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.708005][  T405]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   16.708147][  T405]  notifier_call_chain (kernel/notifier.c:85)
[   16.708283][  T405]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   16.708418][  T405]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   16.708556][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.708693][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.708825][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.708957][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.709092][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.709234][  T405]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   16.709370][  T405]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   16.709502][  T405]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   16.709641][  T405]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.709774][  T405]  do_set_master (net/core/rtnetlink.c:3011)
[   16.709908][  T405]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.710043][  T405]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   16.710184][  T405]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.710321][  T405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.710484][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.710622][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.710754][  T405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.710888][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.711023][  T405]  ? __kernel_text_address (kernel/extable.c:79)
[   16.711165][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.711301][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.711432][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.711568][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.711701][  T405]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.711831][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.711965][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.712103][  T405]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.712238][  T405]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.712373][  T405]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.712506][  T405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.712647][  T405]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.712779][  T405]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.712914][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.713050][  T405]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.713193][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.713327][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.713458][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.713595][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.713726][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.713861][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.713992][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.714130][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.714262][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.714397][  T405]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.714531][  T405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.714668][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.714803][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.714936][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.715070][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.715212][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.715348][  T405]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.715485][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.715621][  T405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.715760][  T405]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.715893][  T405]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.716028][  T405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.716170][  T405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.716309][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.716445][  T405]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.716582][  T405]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.716719][  T405]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.716857][  T405]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.716991][  T405]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.717132][  T405]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.717296][  T405]  ? move_addr_to_kernel (net/socket.c:258)
[   16.717434][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.717574][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.717710][  T405]  ___sys_sendmsg (net/socket.c:2752)
[   16.717845][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.718015][  T405]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.718167][  T405]  __sys_sendmsg (net/socket.c:2784)
[   16.718303][  T405]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.718438][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.718613][  T405]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.718747][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.718881][  T405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.719017][  T405]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.719159][  T405]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.719294][  T405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.719459][  T405] RIP: 0033:0x7f0c5f12a08e
[   16.719607][  T405] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.720085][  T405] RSP: 002b:00007fff6ed23990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.720294][  T405] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0c5f12a08e
[   16.720495][  T405] RDX: 0000000000000000 RSI: 00007fff6ed23a40 RDI: 0000000000000005
[   16.720702][  T405] RBP: 00007fff6ed239a0 R08: 0000000000000000 R09: 0000000000000000
[   16.720902][  T405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ddff
[   16.721111][  T405] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6ed24110
| [   16.814257][  T408] ------------[ cut here ]------------
| [   16.814454][  T408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/408
| [   16.814739][  T408] Modules linked in: nf_tables
| [   16.815243][  T408] Tainted: [W]=WARN
[   16.815390][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.815609][  T408] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.815828][  T408] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.816353][  T408] RSP: 0018:ffa0000000f47020 EFLAGS: 00010286
[   16.816573][  T408] RAX: 00000000ffffffa6 RBX: ff1100000bc771c0 RCX: 1ff40000001e8dca
[   16.816817][  T408] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc7727c
[   16.817056][  T408] RBP: ff110000096c4000 R08: 1fe220000178ee51 R09: ff1100000e6f0b58
[   16.817393][  T408] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   16.817744][  T408] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.818065][  T408] FS:  00007fb3bdee6840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   16.818425][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.818725][  T408] CR2: 00000000251be988 CR3: 000000001280c005 CR4: 0000000000771ef0
[   16.819033][  T408] PKRU: 55555554
[   16.819187][  T408] Call Trace:
[   16.819331][  T408]  <TASK>
[   16.819447][  T408]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.819647][  T408]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.819794][  T408]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.819973][  T408]  __dev_notify_flags (net/core/dev.c:9787)
[   16.820167][  T408]  ? netif_change_name (net/core/dev.c:1495)
[   16.820345][  T408]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.820523][  T408]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.820730][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.820911][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.821109][  T408]  netif_change_flags (net/core/dev.c:9820)
[   16.821290][  T408]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.821469][  T408]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.821657][  T408]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.821836][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.822044][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.822236][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.822413][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.822597][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.822781][  T408]  ? __kernel_text_address (kernel/extable.c:79)
[   16.822961][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.823151][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.823329][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.823507][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.823722][  T408]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.823902][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.824080][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.824271][  T408]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.824449][  T408]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.824635][  T408]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.824813][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.824993][  T408]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.825185][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.825366][  T408]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.825545][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.825730][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.825908][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.826085][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.826275][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.826457][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.826654][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.826833][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.827012][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.827205][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.827385][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.827570][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.827750][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.827929][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.828122][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.828296][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.828476][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.828661][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.828840][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.829020][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.829209][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.829390][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.829575][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.829754][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.829935][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.830125][  T408]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.830303][  T408]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.830482][  T408]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.830669][  T408]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.830847][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.831051][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   16.831243][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.831421][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.831610][  T408]  ___sys_sendmsg (net/socket.c:2752)
[   16.831786][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.831997][  T408]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.832201][  T408]  __sys_sendmsg (net/socket.c:2784)
[   16.832379][  T408]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.832736][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.832947][  T408]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.833140][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.833319][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.833495][  T408]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.833682][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.833858][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.834065][  T408] RIP: 0033:0x7fb3be12008e
[   16.834260][  T408] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.834773][  T408] RSP: 002b:00007ffee850c690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.835016][  T408] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb3be12008e
[   16.835268][  T408] RDX: 0000000000000000 RSI: 00007ffee850c740 RDI: 0000000000000005
[   16.835506][  T408] RBP: 00007ffee850c6a0 R08: 0000000000000000 R09: 0000000000000000
[   16.835752][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   16.835995][  T408] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee850ce10
| [   16.838960][   T38] ------------[ cut here ]------------
| [   16.839498][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/38
| [   16.839788][   T38] Modules linked in: nf_tables
| [   16.840286][   T38] Tainted: [W]=WARN
[   16.840424][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.840634][   T38] Workqueue: events_unbound linkwatch_event
[   16.840835][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.841034][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.841526][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   16.841729][   T38] RAX: 00000000ffffffa6 RBX: ff1100000bc76040 RCX: 1ff4000000055f02
[   16.841951][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc760fc
[   16.842188][   T38] RBP: ff110000096c4000 R08: 1fe220000178ec21 R09: ff11000001da2ea8
[   16.842408][   T38] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   16.842639][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.842873][   T38] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   16.843138][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.843333][   T38] CR2: 00000000251be988 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   16.843566][   T38] PKRU: 55555554
[   16.843701][   T38] Call Trace:
[   16.843837][   T38]  <TASK>
[   16.843945][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.844124][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.844293][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.844431][   T38]  netif_state_change (net/core/dev.c:1605)
[   16.844606][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   16.844806][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.844972][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.845147][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.845316][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.845481][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   16.845653][   T38]  process_one_work (kernel/workqueue.c:3314)
[   16.845825][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.845992][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.846177][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.846349][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.846513][   T38]  kthread (kernel/kthread.c:436)
[   16.846654][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.846847][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.847014][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.847198][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.847391][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.847565][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.847731][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.850046][   T38] ------------[ cut here ]------------
| [   16.850226][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/38
| [   16.850508][   T38] Modules linked in: nf_tables
| [   16.851003][   T38] Tainted: [W]=WARN
[   16.851523][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.851772][   T38] Workqueue: events_unbound linkwatch_event
[   16.852020][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.852294][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.852824][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   16.853111][   T38] RAX: 00000000ffffffa6 RBX: ff1100000bc76740 RCX: 1ff4000000055f02
[   16.853389][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc767fc
[   16.853666][   T38] RBP: ff110000096c1000 R08: 1fe220000178ed01 R09: ff11000001da2ea8
[   16.853941][   T38] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   16.854221][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.854494][   T38] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   16.854801][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.855045][   T38] CR2: 00000000251be988 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   16.855329][   T38] PKRU: 55555554
[   16.855509][   T38] Call Trace:
[   16.855701][   T38]  <TASK>
[   16.855856][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.856110][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.856324][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.856513][   T38]  netif_state_change (net/core/dev.c:1605)
[   16.856747][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   16.856990][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.857223][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.857446][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.857678][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.857894][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   16.858123][   T38]  process_one_work (kernel/workqueue.c:3314)
[   16.858341][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.858563][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.858779][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.858995][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.859223][   T38]  kthread (kernel/kthread.c:436)
[   16.859422][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.859672][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.859885][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.860114][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.860383][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.860604][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.860817][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.066001][  T417] ------------[ cut here ]------------
| [   17.066240][  T417] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/417
| [   17.066527][  T417] Modules linked in: nf_tables
| [   17.067063][  T417] Tainted: [W]=WARN
[   17.067222][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.067436][  T417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.067666][  T417] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.068209][  T417] RSP: 0018:ffa0000000fc6e30 EFLAGS: 00010286
[   17.068427][  T417] RAX: 00000000ffffffa6 RBX: ff11000008d44900 RCX: 1ff40000001f8d8c
[   17.068684][  T417] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d449bc
[   17.068928][  T417] RBP: ff1100000b7d4000 R08: 1fe22000011a8939 R09: ff1100000fd4ae80
[   17.069204][  T417] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.069451][  T417] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010231200
[   17.069712][  T417] FS:  00007f7790902840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.069992][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.070223][  T417] CR2: 00000000004eb188 CR3: 000000001283f003 CR4: 0000000000771ef0
[   17.070470][  T417] PKRU: 55555554
[   17.070652][  T417] Call Trace:
[   17.070807][  T417]  <TASK>
[   17.070925][  T417]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.071120][  T417]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.071268][  T417]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   17.071484][  T417]  __dev_notify_flags (net/core/dev.c:9787)
[   17.071675][  T417]  ? netif_change_name (net/core/dev.c:1495)
[   17.071854][  T417]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.072037][  T417]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.072229][  T417]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.072411][  T417]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   17.072603][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.072784][  T417]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.072964][  T417]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.073157][  T417]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.073340][  T417]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   17.073524][  T417]  veth_newlink (drivers/net/veth.c:1871)
[   17.073714][  T417]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   17.073895][  T417]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.074076][  T417]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.074269][  T417]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   17.074468][  T417]  ? alloc_netdev_mqs (./include/linux/netfilter_netdev.h:147 (discriminator 2) net/core/dev.c:12139 (discriminator 2))
[   17.074661][  T417]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   17.074841][  T417]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   17.075042][  T417]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   17.075238][  T417]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   17.075422][  T417]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.075608][  T417]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.075787][  T417]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.075973][  T417]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.076175][  T417]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.076375][  T417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.076562][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.076763][  T417]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.076944][  T417]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.077136][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.077321][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.077522][  T417]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.077710][  T417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.077890][  T417]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.078069][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.078263][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.078445][  T417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.078631][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.078830][  T417]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.079012][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.079206][  T417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.079390][  T417]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.079576][  T417]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.079759][  T417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.079958][  T417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.080148][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.080330][  T417]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.080514][  T417]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.080702][  T417]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.080885][  T417]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.081066][  T417]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.081275][  T417]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.081486][  T417]  ? move_addr_to_kernel (net/socket.c:258)
[   17.081676][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.081858][  T417]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   17.082038][  T417]  ___sys_sendmsg (net/socket.c:2752)
[   17.082230][  T417]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   17.082486][  T417]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.082678][  T417]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   17.082862][  T417]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   17.083044][  T417]  __sys_sendmsg (net/socket.c:2784)
[   17.083242][  T417]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.083427][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.083615][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.083800][  T417]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.083980][  T417]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.084178][  T417]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.084358][  T417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.084578][  T417] RIP: 0033:0x7f7790b3c08e
[   17.084768][  T417] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.085304][  T417] RSP: 002b:00007ffc16457620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.085560][  T417] RAX: ffffffffffffffda RBX: 00007ffc16457dc8 RCX: 00007f7790b3c08e
[   17.085808][  T417] RDX: 0000000000000000 RSI: 00007ffc164576d0 RDI: 0000000000000005
[   17.086053][  T417] RBP: 00007ffc16457630 R08: 0000000000000000 R09: 0000000000000000
[   17.086311][  T417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   17.086563][  T417] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc16457da0
| [   17.102765][  T417] ------------[ cut here ]------------
| [   17.102958][  T417] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/417
| [   17.103836][  T417] Modules linked in: nf_tables
| [   17.104344][  T417] Tainted: [W]=WARN
[   17.104492][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.104716][  T417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.104936][  T417] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.105462][  T417] RSP: 0018:ffa0000000fc71b0 EFLAGS: 00010286
[   17.105684][  T417] RAX: 00000000ffffffa6 RBX: ff1100000bc76900 RCX: 1ff40000001f8dfc
[   17.105928][  T417] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc769bc
[   17.106181][  T417] RBP: ff1100000b7d1000 R08: 1fe220000178ed39 R09: ff1100000fd4ae80
[   17.106425][  T417] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.106680][  T417] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e03b20
[   17.106926][  T417] FS:  00007f7790902840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.107213][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.107429][  T417] CR2: 00000000004eb188 CR3: 000000001283f003 CR4: 0000000000771ef0
[   17.107684][  T417] PKRU: 55555554
[   17.107831][  T417] Call Trace:
[   17.107977][  T417]  <TASK>
[   17.108107][  T417]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.108288][  T417]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.108437][  T417]  __dev_notify_flags (net/core/dev.c:9787)
[   17.108627][  T417]  ? netif_change_name (net/core/dev.c:1495)
[   17.108806][  T417]  ? alloc_netdev_mqs (./include/linux/netfilter_netdev.h:147 (discriminator 2) net/core/dev.c:12139 (discriminator 2))
[   17.108985][  T417]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   17.109177][  T417]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   17.109362][  T417]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.109544][  T417]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.109736][  T417]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.109915][  T417]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.110107][  T417]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.110293][  T417]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.110477][  T417]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.110666][  T417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.110846][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.111024][  T417]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.111212][  T417]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.111392][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.111587][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.111771][  T417]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.111951][  T417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.112143][  T417]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.112323][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.112504][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.112694][  T417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.112873][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.113054][  T417]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.113245][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.113426][  T417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.113619][  T417]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.113796][  T417]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.113978][  T417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.114172][  T417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.114353][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.114534][  T417]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.114722][  T417]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.114904][  T417]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.115087][  T417]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.115292][  T417]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.115473][  T417]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.115693][  T417]  ? move_addr_to_kernel (net/socket.c:258)
[   17.115873][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.116052][  T417]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   17.116255][  T417]  ___sys_sendmsg (net/socket.c:2752)
[   17.116434][  T417]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   17.116624][  T417]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.116807][  T417]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   17.116990][  T417]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   17.117182][  T417]  __sys_sendmsg (net/socket.c:2784)
[   17.117366][  T417]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.117556][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.117739][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.117920][  T417]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.118116][  T417]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.118297][  T417]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.118479][  T417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.118706][  T417] RIP: 0033:0x7f7790b3c08e
[   17.118891][  T417] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.119413][  T417] RSP: 002b:00007ffc16457620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.119665][  T417] RAX: ffffffffffffffda RBX: 00007ffc16457dc8 RCX: 00007f7790b3c08e
[   17.119909][  T417] RDX: 0000000000000000 RSI: 00007ffc164576d0 RDI: 0000000000000005
[   17.120166][  T417] RBP: 00007ffc16457630 R08: 0000000000000000 R09: 0000000000000000
[   17.120410][  T417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   17.120662][  T417] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc16457da0
| [   17.208386][  T420] ------------[ cut here ]------------
| [   17.208633][  T420] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/420
| [   17.208911][  T420] Modules linked in: nf_tables
| [   17.209424][  T420] Tainted: [W]=WARN
[   17.209575][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.209783][  T420] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.210000][  T420] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.210518][  T420] RSP: 0018:ffa0000000fe7020 EFLAGS: 00010286
[   17.210734][  T420] RAX: 00000000ffffffa6 RBX: ff1100000cf29540 RCX: 1ff40000001fcdca
[   17.210972][  T420] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf295fc
[   17.211234][  T420] RBP: ff1100000b7d1000 R08: 1fe22000019e52c1 R09: ff1100000fd92e58
[   17.211472][  T420] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   17.211717][  T420] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.211956][  T420] FS:  00007f5a85cd6840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.212241][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.212448][  T420] CR2: 0000000013be8988 CR3: 000000001297f006 CR4: 0000000000771ef0
[   17.212694][  T420] PKRU: 55555554
[   17.212838][  T420] Call Trace:
[   17.212982][  T420]  <TASK>
[   17.213110][  T420]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.213288][  T420]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.213445][  T420]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.213628][  T420]  __dev_notify_flags (net/core/dev.c:9787)
[   17.213807][  T420]  ? netif_change_name (net/core/dev.c:1495)
[   17.213983][  T420]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.214172][  T420]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.214349][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.214526][  T420]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   17.214716][  T420]  netif_change_flags (net/core/dev.c:9820)
[   17.214896][  T420]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.215073][  T420]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.215327][  T420]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.215536][  T420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.215753][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.215932][  T420]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.216122][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.216299][  T420]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.216477][  T420]  ? __kernel_text_address (kernel/extable.c:79)
[   17.216675][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.216854][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.217031][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.217225][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.217404][  T420]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.217588][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.217765][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.217942][  T420]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.218135][  T420]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   17.218311][  T420]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.218487][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.218675][  T420]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.218857][  T420]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.219037][  T420]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.219232][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.219406][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.219590][  T420]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.219765][  T420]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.219941][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.220135][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.220310][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.220486][  T420]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.220672][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.220851][  T420]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.221028][  T420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.221217][  T420]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.221396][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.221576][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.221756][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.221930][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.222121][  T420]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.222297][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.222474][  T420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.222662][  T420]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.222840][  T420]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.223018][  T420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.223210][  T420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.223388][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.223574][  T420]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.223755][  T420]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.223932][  T420]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.224124][  T420]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.224303][  T420]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.224478][  T420]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.224694][  T420]  ? move_addr_to_kernel (net/socket.c:258)
[   17.224871][  T420]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.225048][  T420]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.225244][  T420]  ___sys_sendmsg (net/socket.c:2752)
[   17.225422][  T420]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.225643][  T420]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.225833][  T420]  __sys_sendmsg (net/socket.c:2784)
[   17.226011][  T420]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.226200][  T420]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.226412][  T420]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.226598][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.226779][  T420]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.226962][  T420]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.227155][  T420]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.227332][  T420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.227540][  T420] RIP: 0033:0x7f5a85f1008e
[   17.227732][  T420] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.228249][  T420] RSP: 002b:00007ffd6e59ecd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.228490][  T420] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5a85f1008e
[   17.228734][  T420] RDX: 0000000000000000 RSI: 00007ffd6e59ed80 RDI: 0000000000000005
[   17.228972][  T420] RBP: 00007ffd6e59ece0 R08: 0000000000000000 R09: 0000000000000000
[   17.229227][  T420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   17.229464][  T420] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6e59f450
| [   17.295290][  T422] ------------[ cut here ]------------
| [   17.295459][  T422] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/422
| [   17.295702][  T422] Modules linked in: nf_tables
| [   17.296125][  T422] Tainted: [W]=WARN
[   17.296226][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.296392][  T422] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.296568][  T422] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.297038][  T422] RSP: 0018:ffa00000010071b0 EFLAGS: 00010286
[   17.297212][  T422] RAX: 00000000ffffffa6 RBX: ff1100000e4ce580 RCX: 1ff4000000200dfc
[   17.297412][  T422] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4ce63c
[   17.297616][  T422] RBP: ff1100000257c000 R08: 1fe2200001c99cc9 R09: ff1100000fcf5180
[   17.297812][  T422] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.298011][  T422] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff98e08da0
[   17.298219][  T422] FS:  00007f4ecf652840(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   17.298457][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.298630][  T422] CR2: 00000000004a2860 CR3: 0000000012a07005 CR4: 0000000000771ef0
[   17.298829][  T422] PKRU: 55555554
[   17.298931][  T422] Call Trace:
[   17.299031][  T422]  <TASK>
[   17.299108][  T422]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.299246][  T422]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.299346][  T422]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   17.299479][  T422]  __dev_notify_flags (net/core/dev.c:9787)
[   17.299616][  T422]  ? netif_change_name (net/core/dev.c:1495)
[   17.299750][  T422]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   17.299885][  T422]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   17.300019][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.300874][  T422]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   17.301011][  T422]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   17.301231][  T422]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.301366][  T422]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   17.301498][  T422]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.301637][  T422]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.301768][  T422]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.301900][  T422]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.302039][  T422]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.302243][  T422]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.302378][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.302510][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.302675][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.302809][  T422]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.302939][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.303075][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.303284][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.303416][  T422]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.303554][  T422]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.303687][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.303818][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.303951][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.304081][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.304291][  T422]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.304424][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.304560][  T422]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.304696][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.304826][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.304959][  T422]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.305161][  T422]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.305297][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.305430][  T422]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.305569][  T422]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.305705][  T422]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.305839][  T422]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.305973][  T422]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.306194][  T422]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.306359][  T422]  ? move_addr_to_kernel (net/socket.c:258)
[   17.306495][  T422]  ___sys_sendmsg (net/socket.c:2752)
[   17.306634][  T422]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.306771][  T422]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.306941][  T422]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   17.307077][  T422]  __sys_sendmsg (net/socket.c:2784)
[   17.307272][  T422]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.307409][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.307543][  T422]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.307680][  T422]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.307812][  T422]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.307945][  T422]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.308114][  T422] RIP: 0033:0x7f4ecf88c08e
[   17.308254][  T422] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.308731][  T422] RSP: 002b:00007fffa0fe9590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.308932][  T422] RAX: ffffffffffffffda RBX: 00007fffa0fe9d38 RCX: 00007f4ecf88c08e
[   17.309136][  T422] RDX: 0000000000000000 RSI: 00007fffa0fe9640 RDI: 0000000000000005
[   17.309345][  T422] RBP: 00007fffa0fe95a0 R08: 0000000000000000 R09: 0000000000000000
[   17.309543][  T422] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   17.309744][  T422] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa0fe9d10
| [   17.335055][  T423] ------------[ cut here ]------------
| [   17.335807][  T423] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/423
| [   17.336082][  T423] Modules linked in: nf_tables
| [   17.336595][  T423] Tainted: [W]=WARN
[   17.336741][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.336953][  T423] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.337180][  T423] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.337695][  T423] RSP: 0018:ffa0000001007020 EFLAGS: 00010286
[   17.337907][  T423] RAX: 00000000ffffffa6 RBX: ff1100000d0923c0 RCX: 1ff4000000200dca
[   17.338166][  T423] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09247c
[   17.338405][  T423] RBP: ff1100000257c000 R08: 1fe2200001a12491 R09: ff1100000fcf2e58
[   17.338654][  T423] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   17.338894][  T423] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.339147][  T423] FS:  00007fded3ce2840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.339420][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.339637][  T423] CR2: 00007fded3fb21a0 CR3: 0000000012a0f004 CR4: 0000000000771ef0
[   17.339877][  T423] PKRU: 55555554
[   17.340022][  T423] Call Trace:
[   17.340179][  T423]  <TASK>
[   17.340294][  T423]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.340472][  T423]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.340627][  T423]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.340804][  T423]  __dev_notify_flags (net/core/dev.c:9787)
[   17.340986][  T423]  ? netif_change_name (net/core/dev.c:1495)
[   17.341176][  T423]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.341354][  T423]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.341534][  T423]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.341723][  T423]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   17.341904][  T423]  netif_change_flags (net/core/dev.c:9820)
[   17.342083][  T423]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.342274][  T423]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.342455][  T423]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.342643][  T423]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.342852][  T423]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.343029][  T423]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.343218][  T423]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.343395][  T423]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.343580][  T423]  ? __kernel_text_address (kernel/extable.c:79)
[   17.343759][  T423]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.343940][  T423]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.344130][  T423]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.344309][  T423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.344486][  T423]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.344673][  T423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.344879][  T423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.345061][  T423]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.345251][  T423]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   17.345432][  T423]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.345619][  T423]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.345798][  T423]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.345979][  T423]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.346175][  T423]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.346355][  T423]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.346532][  T423]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.346718][  T423]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.346897][  T423]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.347073][  T423]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.347266][  T423]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.347443][  T423]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.347629][  T423]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.347809][  T423]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.347988][  T423]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.348178][  T423]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.348356][  T423]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.348535][  T423]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.348719][  T423]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.348898][  T423]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.349075][  T423]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.349266][  T423]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.349444][  T423]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.349633][  T423]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.349813][  T423]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.349990][  T423]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.350179][  T423]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.350358][  T423]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.350537][  T423]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.350723][  T423]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.350904][  T423]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.351082][  T423]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.351274][  T423]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.351454][  T423]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.351641][  T423]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.351848][  T423]  ? move_addr_to_kernel (net/socket.c:258)
[   17.352026][  T423]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.352217][  T423]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.352397][  T423]  ___sys_sendmsg (net/socket.c:2752)
[   17.352580][  T423]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.352819][  T423]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.353008][  T423]  __sys_sendmsg (net/socket.c:2784)
[   17.353201][  T423]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.353379][  T423]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.353602][  T423]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.353783][  T423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.353963][  T423]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.354157][  T423]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.354336][  T423]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.354530][  T423]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.354757][  T423] RIP: 0033:0x7fded3f1c08e
[   17.354943][  T423] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.355466][  T423] RSP: 002b:00007ffd9e701e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.355718][  T423] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fded3f1c08e
[   17.355959][  T423] RDX: 0000000000000000 RSI: 00007ffd9e701ec0 RDI: 0000000000000005
[   17.356212][  T423] RBP: 00007ffd9e701e20 R08: 0000000000000000 R09: 0000000000000000
[   17.356451][  T423] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   17.356699][  T423] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e702590
| [   17.389923][  T424] ------------[ cut here ]------------
| [   17.390118][  T424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/424
| [   17.390398][  T424] Modules linked in: nf_tables
| [   17.390908][  T424] Tainted: [W]=WARN
[   17.391054][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.391278][  T424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.391497][  T424] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.392019][  T424] RSP: 0018:ffa0000001016f40 EFLAGS: 00010286
[   17.393254][  T424] RAX: 00000000ffffffa6 RBX: ff1100000d093e00 RCX: 1ff4000000202dae
[   17.393627][  T424] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d093ebc
[   17.393983][  T424] RBP: ff1100000b7d4000 R08: 1fe2200001a127d9 R09: ff1100000fcf0b58
[   17.394318][  T424] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   17.394651][  T424] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   17.394992][  T424] FS:  00007f7db0022840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.395357][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.395657][  T424] CR2: 00007f7db02f21a0 CR3: 000000000f9dc001 CR4: 0000000000771ef0
[   17.395977][  T424] PKRU: 55555554
[   17.396211][  T424] Call Trace:
[   17.396444][  T424]  <TASK>
[   17.396643][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.396905][  T424]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   17.397198][  T424]  notifier_call_chain (kernel/notifier.c:85)
[   17.397434][  T424]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   17.397626][  T424]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   17.397808][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.397989][  T424]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.398178][  T424]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.398357][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.398535][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.398725][  T424]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   17.398909][  T424]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   17.399089][  T424]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   17.399283][  T424]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.399462][  T424]  do_set_master (net/core/rtnetlink.c:3011)
[   17.399652][  T424]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.399834][  T424]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   17.400017][  T424]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.400212][  T424]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.400423][  T424]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.400612][  T424]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.400792][  T424]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.400971][  T424]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.401163][  T424]  ? __kernel_text_address (kernel/extable.c:79)
[   17.401345][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.401528][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.401717][  T424]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.401899][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.402080][  T424]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.402270][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.402450][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.402640][  T424]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.402823][  T424]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   17.403003][  T424]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.403196][  T424]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.403378][  T424]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.403565][  T424]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.403750][  T424]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.403935][  T424]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.404129][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.404311][  T424]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.404493][  T424]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.404684][  T424]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.404893][  T424]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.405079][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.405268][  T424]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.405448][  T424]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.405632][  T424]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.405813][  T424]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.405991][  T424]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.406179][  T424]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.406357][  T424]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.406535][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.406725][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.406902][  T424]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.407086][  T424]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.407279][  T424]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.407458][  T424]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.407648][  T424]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.407825][  T424]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.408006][  T424]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.408199][  T424]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.408378][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.408565][  T424]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.408746][  T424]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.408925][  T424]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.409119][  T424]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.409300][  T424]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.409479][  T424]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.409694][  T424]  ? move_addr_to_kernel (net/socket.c:258)
[   17.409877][  T424]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.410056][  T424]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.410246][  T424]  ___sys_sendmsg (net/socket.c:2752)
[   17.410424][  T424]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.410641][  T424]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.410831][  T424]  __sys_sendmsg (net/socket.c:2784)
[   17.411014][  T424]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.411205][  T424]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.411416][  T424]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.411604][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.411783][  T424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.411961][  T424]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.412153][  T424]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.412335][  T424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.412544][  T424] RIP: 0033:0x7f7db025c08e
[   17.412741][  T424] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.413270][  T424] RSP: 002b:00007ffc73dd2730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.413514][  T424] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7db025c08e
[   17.413765][  T424] RDX: 0000000000000000 RSI: 00007ffc73dd27e0 RDI: 0000000000000005
[   17.414005][  T424] RBP: 00007ffc73dd2740 R08: 0000000000000000 R09: 0000000000000000
[   17.414258][  T424] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   17.414502][  T424] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc73dd2eb0
| [   17.509224][  T427] ------------[ cut here ]------------
| [   17.509416][  T427] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/427
| [   17.509700][  T427] Modules linked in: nf_tables
| [   17.510220][  T427] Tainted: [W]=WARN
[   17.510367][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.510582][  T427] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.510798][  T427] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.511327][  T427] RSP: 0018:ffa0000000e37020 EFLAGS: 00010286
[   17.511537][  T427] RAX: 00000000ffffffa6 RBX: ff1100000e4cec80 RCX: 1ff40000001c6dca
[   17.511814][  T427] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4ced3c
[   17.512064][  T427] RBP: ff1100000b7d4000 R08: 1fe2200001c99da9 R09: ff1100000e718b58
[   17.512319][  T427] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   17.512571][  T427] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.512819][  T427] FS:  00007fcf2f515840(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.513111][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.513322][  T427] CR2: 000000002a215988 CR3: 000000000d01a003 CR4: 0000000000771ef0
[   17.513572][  T427] PKRU: 55555554
[   17.513718][  T427] Call Trace:
[   17.513863][  T427]  <TASK>
[   17.513979][  T427]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.514172][  T427]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.514320][  T427]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.514497][  T427]  __dev_notify_flags (net/core/dev.c:9787)
[   17.514688][  T427]  ? netif_change_name (net/core/dev.c:1495)
[   17.514866][  T427]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.515059][  T427]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.515247][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.515426][  T427]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   17.515614][  T427]  netif_change_flags (net/core/dev.c:9820)
[   17.515793][  T427]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.515970][  T427]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.516247][  T427]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.516492][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.516762][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.517026][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.517284][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.517527][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.517769][  T427]  ? __kernel_text_address (kernel/extable.c:79)
[   17.517945][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.518140][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.518318][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.518498][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.518686][  T427]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.518862][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.519039][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.519232][  T427]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.519411][  T427]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   17.519599][  T427]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.519780][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.519959][  T427]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.520149][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.520329][  T427]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.520509][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.520713][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.520895][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.521074][  T427]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.521267][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.521452][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.521639][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.521817][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.521996][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.522187][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.522366][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.522543][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.522732][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.522913][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.523108][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.523284][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.523464][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.523650][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.523832][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.524014][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.524203][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.524385][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.524574][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.524754][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.524934][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.525127][  T427]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.525304][  T427]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.525483][  T427]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.525670][  T427]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.525849][  T427]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.526056][  T427]  ? move_addr_to_kernel (net/socket.c:258)
[   17.526246][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.526425][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.526615][  T427]  ___sys_sendmsg (net/socket.c:2752)
[   17.526791][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.526999][  T427]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.527208][  T427]  __sys_sendmsg (net/socket.c:2784)
[   17.527387][  T427]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.527571][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.527784][  T427]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.527961][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.528149][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.528327][  T427]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.528506][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.528694][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.528903][  T427] RIP: 0033:0x7fcf2f74f08e
[   17.529085][  T427] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.529610][  T427] RSP: 002b:00007ffec0036fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.529857][  T427] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcf2f74f08e
[   17.530108][  T427] RDX: 0000000000000000 RSI: 00007ffec0037080 RDI: 0000000000000005
[   17.530349][  T427] RBP: 00007ffec0036fe0 R08: 0000000000000000 R09: 0000000000000000
[   17.530595][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10de00
[   17.530838][  T427] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec0037750
| [   17.534134][   T38] ------------[ cut here ]------------
| [   17.534274][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   17.534510][   T38] Modules linked in: nf_tables
| [   17.534917][   T38] Tainted: [W]=WARN
[   17.535008][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.535162][   T38] Workqueue: events_unbound linkwatch_event
[   17.535319][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.535475][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.535916][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   17.536067][   T38] RAX: 00000000ffffffa6 RBX: ff1100000e4ce200 RCX: 1ff4000000055f02
[   17.536262][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4ce2bc
[   17.536442][   T38] RBP: ff1100000b7d4000 R08: 1fe2200001c99c59 R09: ff11000001da2ea8
[   17.536629][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   17.536805][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.536986][   T38] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   17.537203][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.537352][   T38] CR2: 00007ffa03ae2574 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   17.537532][   T38] PKRU: 55555554
[   17.537627][   T38] Call Trace:
[   17.537716][   T38]  <TASK>
[   17.537779][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.537898][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   17.538018][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.538118][   T38]  netif_state_change (net/core/dev.c:1605)
[   17.538238][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   17.538391][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   17.538509][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   17.538638][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.538759][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   17.538882][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   17.539002][   T38]  process_one_work (kernel/workqueue.c:3314)
[   17.539130][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.539248][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.539373][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.539496][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.539624][   T38]  kthread (kernel/kthread.c:436)
[   17.539714][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.539862][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.539980][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.540105][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.540255][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.540374][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.540493][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.542361][   T38] ------------[ cut here ]------------
| [   17.542484][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   17.542724][   T38] Modules linked in: nf_tables
| [   17.543124][   T38] Tainted: [W]=WARN
[   17.543218][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.543366][   T38] Workqueue: events_unbound linkwatch_event
[   17.543523][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.543684][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.544124][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   17.544274][   T38] RAX: 00000000ffffffa6 RBX: ff1100000d093c40 RCX: 1ff4000000055f02
[   17.544450][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d093cfc
[   17.544632][   T38] RBP: ff1100000b7d1000 R08: 1fe2200001a127a1 R09: ff11000001da2ea8
[   17.544811][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   17.544990][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.545183][   T38] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   17.545405][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.545561][   T38] CR2: 00007ffa03ae2574 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   17.545758][   T38] PKRU: 55555554
[   17.545885][   T38] Call Trace:
[   17.546012][   T38]  <TASK>
[   17.546214][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.546336][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   17.546456][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.546546][   T38]  netif_state_change (net/core/dev.c:1605)
[   17.546672][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   17.546823][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   17.546940][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   17.547066][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.547265][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   17.547383][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   17.547502][   T38]  process_one_work (kernel/workqueue.c:3314)
[   17.547633][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.547751][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.547874][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.547997][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.548120][   T38]  kthread (kernel/kthread.c:436)
[   17.548210][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.548431][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.548555][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.548752][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.548900][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.549020][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.549144][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.911086][   T12] ------------[ cut here ]------------
| [   17.911390][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   17.911638][   T12] Modules linked in: nf_tables
| [   17.912035][   T12] Tainted: [W]=WARN
[   17.912133][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.912281][   T12] Workqueue: netns cleanup_net
[   17.912406][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.912564][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.912990][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.913146][   T12] RAX: 00000000ffffffa6 RBX: ff110000102d3c40 RCX: 1ff4000000018eed
[   17.913324][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102d3cfc
[   17.913498][   T12] RBP: ff1100000e6ac000 R08: 1fe220000205a7a1 R09: ff11000001aed1d0
[   17.913676][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.913848][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.914026][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   17.914241][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.914394][   T12] CR2: 00007f860aa08430 CR3: 0000000012c80006 CR4: 0000000000771ef0
[   17.914577][   T12] PKRU: 55555554
[   17.914667][   T12] Call Trace:
[   17.914757][   T12]  <TASK>
[   17.914822][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.914975][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.915126][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.915248][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.915368][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.915491][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.915615][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.915737][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.915857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.915973][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.916100][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.916218][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.916341][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.916463][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.916588][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.916710][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.916833][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.917034][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.917242][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.917417][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.917535][   T12]  kthread (kernel/kthread.c:436)
[   17.917629][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.917775][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.917892][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.918012][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.918244][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.918364][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.918488][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.923205][   T12] ------------[ cut here ]------------
| [   17.923376][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.923665][   T12] Modules linked in: nf_tables
| [   17.924172][   T12] Tainted: [W]=WARN
[   17.924307][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.924499][   T12] Workqueue: netns cleanup_net
[   17.924679][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.924878][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.925359][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.925564][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd86740 RCX: 1ff4000000018eed
[   17.925790][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd867fc
[   17.926012][   T12] RBP: ff1100000fb01000 R08: 1fe2200001bb0d01 R09: ff11000001aed1d0
[   17.926244][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.926463][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.926692][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.926943][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.927146][   T12] CR2: 00007fbad2944574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   17.927369][   T12] PKRU: 55555554
[   17.927504][   T12] Call Trace:
[   17.927648][   T12]  <TASK>
[   17.927756][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.927958][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.928199][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.928370][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.928575][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.928741][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.928906][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.929072][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.929252][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.929415][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.929591][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.929756][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.929918][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.930086][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.930263][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.930431][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.930602][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.930766][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.930938][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.931125][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.931290][   T12]  kthread (kernel/kthread.c:436)
[   17.931426][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.931656][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.931822][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.931991][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.932201][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.932366][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.932566][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.935269][   T12] ------------[ cut here ]------------
| [   17.935431][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.935709][   T12] Modules linked in: nf_tables
| [   17.936352][   T12] Tainted: [W]=WARN
[   17.936488][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.936685][   T12] Workqueue: netns cleanup_net
[   17.936857][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.937058][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.937617][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.937884][   T12] RAX: 00000000ffffffa6 RBX: ff1100000947d700 RCX: 1ff4000000018eed
[   17.938119][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947d7bc
[   17.938338][   T12] RBP: ff1100000a691000 R08: 1fe220000128faf9 R09: ff11000001aed1d0
[   17.938641][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.938861][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.939082][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.939419][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.939620][   T12] CR2: 00007fbad2944574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   17.939919][   T12] PKRU: 55555554
[   17.940054][   T12] Call Trace:
[   17.940201][   T12]  <TASK>
[   17.940339][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.940536][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.940737][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.940904][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.941073][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.941249][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.941414][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.941587][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.941826][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.942145][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.942383][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.942561][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.942819][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.942986][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.943235][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.943402][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.943577][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.943745][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.944058][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.944239][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.944418][   T12]  kthread (kernel/kthread.c:436)
[   17.944562][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.944755][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.944920][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.945087][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.945297][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.945463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.945712][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.948823][   T12] ------------[ cut here ]------------
| [   17.948988][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.949279][   T12] Modules linked in: nf_tables
| [   17.949763][   T12] Tainted: [W]=WARN
[   17.949900][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.950175][   T12] Workqueue: netns cleanup_net
[   17.950344][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.950543][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.951011][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.951220][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028de00 RCX: 1ff4000000018eed
[   17.951441][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028debc
[   17.951742][   T12] RBP: ff1100000fc31000 R08: 1fe2200002051bd9 R09: ff11000001aed1d0
[   17.951965][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.952284][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.952510][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.952770][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.952968][   T12] CR2: 00007fbad2944574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   17.953202][   T12] PKRU: 55555554
[   17.953408][   T12] Call Trace:
[   17.953542][   T12]  <TASK>
[   17.953729][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.953927][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.954132][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.954298][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.954539][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.954718][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.954886][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.955053][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.955234][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.955468][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.955648][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.955821][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.955985][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.956165][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.956331][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.956499][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.956752][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.956924][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.957109][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.957283][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.957448][   T12]  kthread (kernel/kthread.c:436)
[   17.957591][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.957860][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.958026][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.958203][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.958398][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.958572][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.958739][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.961834][   T12] ------------[ cut here ]------------
| [   17.962001][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   17.962295][   T12] Modules linked in: nf_tables
| [   17.962926][   T12] Tainted: [W]=WARN
[   17.963144][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.963487][   T12] Workqueue: netns cleanup_net
[   17.963666][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.963867][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.964490][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.964767][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bade580 RCX: 1ff4000000018eed
[   17.964988][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bade63c
[   17.965220][   T12] RBP: ff1100000fc39000 R08: 1fe220000175bcc9 R09: ff11000001aed1d0
[   17.965602][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.965851][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.966073][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   17.966410][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.966686][   T12] CR2: 00007fbad2944574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   17.966986][   T12] PKRU: 55555554
[   17.967137][   T12] Call Trace:
[   17.967271][   T12]  <TASK>
[   17.967378][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.967580][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.967772][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.968010][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.968189][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.968353][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.968521][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.968694][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.968933][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.969109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.969305][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.969472][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.969644][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.969814][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.969980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.970161][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.970344][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.970507][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.970826][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.970995][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.971246][   T12]  kthread (kernel/kthread.c:436)
[   17.971382][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.971582][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.971892][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.972059][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.972261][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.972428][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.972600][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.006603][   T12] ------------[ cut here ]------------
| [   18.006781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.007073][   T12] Modules linked in: nf_tables
| [   18.007595][   T12] Tainted: [W]=WARN
[   18.007738][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.007940][   T12] Workqueue: netns cleanup_net
[   18.008134][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.008348][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.008842][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   18.009047][   T12] RAX: 00000000ffffffa6 RBX: ff1100000badf000 RCX: 1ff4000000018eae
[   18.009291][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badf0bc
[   18.009526][   T12] RBP: ff1100000a6f4000 R08: 1fe220000175be19 R09: ff11000001aed1d0
[   18.009766][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   18.009996][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   18.010246][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.010508][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.010718][   T12] CR2: 00007fbad2944574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.010949][   T12] PKRU: 55555554
[   18.011088][   T12] Call Trace:
[   18.011272][   T12]  <TASK>
[   18.011396][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.011611][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.011788][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   18.011964][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   18.012146][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.012318][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   18.012523][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.012705][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   18.012876][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.013052][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.013237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.013413][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   18.013602][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   18.013834][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.014010][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   18.014168][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.014341][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.014518][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.014700][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.014874][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.015046][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.015237][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.015413][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.015593][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.015770][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.015945][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.016132][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.016337][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.016511][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.016694][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.016873][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.017045][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.017234][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.017417][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.017598][   T12]  kthread (kernel/kthread.c:436)
[   18.017740][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.017944][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.018131][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.018310][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.018513][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.018694][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.018868][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.022823][   T12] ------------[ cut here ]------------
| [   18.022982][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.023245][   T12] Modules linked in: nf_tables
| [   18.023777][   T12] Tainted: [W]=WARN
[   18.023891][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.024061][   T12] Workqueue: netns cleanup_net
[   18.024206][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.024372][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.024829][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.024991][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a5058c0 RCX: 1ff4000000018ea8
[   18.025193][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a50597c
[   18.025379][   T12] RBP: ff1100000a6f4000 R08: 1fe22000014a0b31 R09: ff11000001aed1d0
[   18.025574][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   18.025762][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.025952][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.026257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.026417][   T12] CR2: 00007fb973837888 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   18.026614][   T12] PKRU: 55555554
[   18.026712][   T12] Call Trace:
[   18.026807][   T12]  <TASK>
[   18.026875][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.027005][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.027156][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.027284][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.027414][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.027542][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   18.027673][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.027803][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.027932][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.028059][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.028240][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   18.028391][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.028488][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.028619][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.028748][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.028876][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.029004][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.029184][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.029314][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.029445][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.029580][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.029709][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.029837][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.029962][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.030089][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.030268][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.030397][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.030531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.030663][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.030795][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.030926][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.031053][   T12]  kthread (kernel/kthread.c:436)
[   18.031201][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.031361][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.031488][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.031619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.031776][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.031902][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.032029][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.033922][   T12] ------------[ cut here ]------------
| [   18.034049][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.034349][   T12] Modules linked in: nf_tables
| [   18.034790][   T12] Tainted: [W]=WARN
[   18.034886][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.035045][   T12] Workqueue: netns cleanup_net
[   18.035190][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.035355][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.035823][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.035984][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a505e00 RCX: 1ff4000000018ea8
[   18.036184][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a505ebc
[   18.036374][   T12] RBP: ff1100000a6f4000 R08: 1fe22000014a0bd9 R09: ff11000001aed1d0
[   18.036577][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   18.036766][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.036956][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.037183][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.037344][   T12] CR2: 00007fb973837888 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   18.037539][   T12] PKRU: 55555554
[   18.037639][   T12] Call Trace:
[   18.037733][   T12]  <TASK>
[   18.037799][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.037927][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.038024][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.038159][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.038288][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.038415][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.038542][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.038675][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.038804][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.038932][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.039064][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.039202][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   18.039299][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.039396][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.039523][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.039655][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.039783][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.039910][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.040039][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.040171][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.040300][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.040429][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.040561][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.040688][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.040815][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.040945][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.041071][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.041202][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.041335][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.041461][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.041597][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.041727][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.041853][   T12]  kthread (kernel/kthread.c:436)
[   18.041952][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.042116][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.042244][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.042371][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.042530][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.042664][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.042792][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.045568][   T12] ------------[ cut here ]------------
| [   18.045706][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.045954][   T12] Modules linked in: nf_tables
| [   18.046456][   T12] Tainted: [W]=WARN
[   18.046574][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.046730][   T12] Workqueue: netns cleanup_net
[   18.046861][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.047078][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.047677][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.047848][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a5051c0 RCX: 1ff4000000018eaf
[   18.048047][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a50527c
[   18.048287][   T12] RBP: ff1100000811c000 R08: 1fe22000014a0a51 R09: ff11000001aed1d0
[   18.048467][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.048673][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a6f4000
[   18.048863][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.049076][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.049285][   T12] CR2: 00007fb973837888 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   18.049469][   T12] PKRU: 55555554
[   18.049566][   T12] Call Trace:
[   18.049667][   T12]  <TASK>
[   18.049734][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.049859][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.049952][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.050085][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.050260][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.050412][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.050536][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.050667][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.050828][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.050954][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.051151][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.051273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.051394][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.051546][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.051677][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.051816][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.051941][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.052062][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.052236][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.052360][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.052481][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.052612][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.052737][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.052871][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.052995][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.053167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.053291][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.053418][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.053539][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.053671][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.053796][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.053917][   T12]  kthread (kernel/kthread.c:436)
[   18.054010][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.054212][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.054335][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.054462][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.054619][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.054740][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.054861][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.057657][   T12] ------------[ cut here ]------------
| [   18.057803][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.058043][   T12] Modules linked in: nf_tables
| [   18.058463][   T12] Tainted: [W]=WARN
[   18.058560][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.058718][   T12] Workqueue: netns cleanup_net
[   18.058845][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.059005][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.059454][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.059617][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0cec80 RCX: 1ff4000000018eaf
[   18.059799][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ced3c
[   18.059982][   T12] RBP: ff1100000a6f4000 R08: 1fe2200001a19da9 R09: ff11000001aed1d0
[   18.060168][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.060354][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b2c000
[   18.060539][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.060760][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.060916][   T12] CR2: 00007fb973763870 CR3: 0000000012d58006 CR4: 0000000000771ef0
[   18.061111][   T12] PKRU: 55555554
[   18.061203][   T12] Call Trace:
[   18.061296][   T12]  <TASK>
[   18.061360][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.061482][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.061613][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.061716][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.061847][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.061976][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.062133][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.062256][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.062380][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.062535][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.062663][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.062814][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.062938][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.063060][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.063219][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.063343][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.063467][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.063594][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.063718][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.063844][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.063969][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.064091][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.064221][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.064343][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.064464][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.064591][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.064714][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.064839][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.064966][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.065089][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.065222][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.065349][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.065470][   T12]  kthread (kernel/kthread.c:436)
[   18.065566][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.065720][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.065844][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.065967][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.066126][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.066250][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.066371][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.068213][   T12] ------------[ cut here ]------------
| [   18.068335][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.068580][   T12] Modules linked in: nf_tables
| [   18.068995][   T12] Tainted: [W]=WARN
[   18.069091][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.069253][   T12] Workqueue: netns cleanup_net
[   18.069379][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.069537][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.069979][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.070597][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1a2740 RCX: 1ff4000000018eaf
[   18.070779][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a27fc
[   18.070966][   T12] RBP: ff11000009b2c000 R08: 1fe2200001a34501 R09: ff11000001aed1d0
[   18.071200][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.071383][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098c4000
[   18.071574][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.071795][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.071947][   T12] CR2: 00007fb973763870 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.072183][   T12] PKRU: 55555554
[   18.072323][   T12] Call Trace:
[   18.072416][   T12]  <TASK>
[   18.072481][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.072609][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.072735][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.072830][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.072954][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.073078][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.073282][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.073404][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.073544][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.073706][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.073829][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.073983][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.074154][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.074276][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.074447][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.074577][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.074702][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.074826][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.074948][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.075073][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.075246][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.075367][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.075493][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.075622][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.075746][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.075872][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.075994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.076173][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.076301][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.076422][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.076550][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.076683][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.076805][   T12]  kthread (kernel/kthread.c:436)
[   18.076898][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.077049][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.077223][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.077345][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.077503][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.077644][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.077767][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.083005][   T12] ------------[ cut here ]------------
| [   18.083154][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.083393][   T12] Modules linked in: nf_tables
| [   18.083807][   T12] Tainted: [W]=WARN
[   18.083901][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.084055][   T12] Workqueue: netns cleanup_net
[   18.084709][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.084871][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.085359][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.085518][   T12] RAX: 00000000ffffffa6 RBX: ff110000119443c0 RCX: 1ff4000000018eaf
[   18.085704][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001194447c
[   18.085886][   T12] RBP: ff110000098c4000 R08: 1fe2200002328891 R09: ff11000001aed1d0
[   18.086071][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.086307][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c779000
[   18.086541][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.086770][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.086929][   T12] CR2: 00007fb973763870 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.087166][   T12] PKRU: 55555554
[   18.087258][   T12] Call Trace:
[   18.087351][   T12]  <TASK>
[   18.087416][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.087539][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.087668][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.087762][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.087885][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.088007][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.088210][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.088331][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.088455][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.088616][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.088739][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.088891][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.089016][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.089189][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.089344][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.089471][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.089599][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.089725][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.089847][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.089973][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.090149][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.090273][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.090398][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.090522][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.090648][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.090772][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.090893][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.091019][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.091195][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.091318][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.091446][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.091577][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.091701][   T12]  kthread (kernel/kthread.c:436)
[   18.091793][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.091946][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.092071][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.092243][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.092398][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.092521][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.092648][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.095725][   T12] ------------[ cut here ]------------
| [   18.095853][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.096099][   T12] Modules linked in: nf_tables
| [   18.096503][   T12] Tainted: [W]=WARN
[   18.096612][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.096765][   T12] Workqueue: netns cleanup_net
[   18.096892][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.097052][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.097495][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.097659][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c37ac80 RCX: 1ff4000000018eaf
[   18.097843][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37ad3c
[   18.098026][   T12] RBP: ff1100000c779000 R08: 1fe220000186f5a9 R09: ff11000001aed1d0
[   18.098267][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.098450][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df71000
[   18.098640][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.098859][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.099016][   T12] CR2: 00007fb973763870 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.099250][   T12] PKRU: 55555554
[   18.099343][   T12] Call Trace:
[   18.099439][   T12]  <TASK>
[   18.099505][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.099634][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.099761][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.099857][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.099983][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.100156][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.100310][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.100481][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.100608][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.100767][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.100892][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.101045][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.101219][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.101343][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.101498][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.101628][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.101754][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.101878][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.102001][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.102178][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.102304][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.102426][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.102557][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.102681][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.102807][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.102932][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.103054][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.103229][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.103357][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.103480][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.103612][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.103742][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.103866][   T12]  kthread (kernel/kthread.c:436)
[   18.103960][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.104163][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.104287][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.104415][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.104571][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.104696][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.104820][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.108481][   T12] ------------[ cut here ]------------
| [   18.108672][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.108937][   T12] Modules linked in: nf_tables
| [   18.109357][   T12] Tainted: [W]=WARN
[   18.109480][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.109713][   T12] Workqueue: netns cleanup_net
[   18.109911][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.110168][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.110846][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.111059][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a595a80 RCX: 1ff4000000018eaf
[   18.111252][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a595b3c
[   18.111434][   T12] RBP: ff1100000df71000 R08: 1fe22000014b2b69 R09: ff11000001aed1d0
[   18.111624][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.111808][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df74000
[   18.111996][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.112220][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.112374][   T12] CR2: 000055855f150798 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   18.112563][   T12] PKRU: 55555554
[   18.112657][   T12] Call Trace:
[   18.112752][   T12]  <TASK>
[   18.112817][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.112941][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.113066][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.113168][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.113294][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.113420][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.113577][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.113706][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.113830][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.113985][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.114115][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.114283][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.114407][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.114529][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.114691][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.114817][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.114941][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.115066][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.115197][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.115324][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.115449][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.115577][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.115704][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.115829][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.115951][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.116075][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.116202][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.116326][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.116455][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.116583][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.116711][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.116839][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.116964][   T12]  kthread (kernel/kthread.c:436)
[   18.117057][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.117217][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.117342][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.117467][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.117630][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.117753][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.117876][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.120684][   T12] ------------[ cut here ]------------
| [   18.120813][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.121053][   T12] Modules linked in: nf_tables
| [   18.121468][   T12] Tainted: [W]=WARN
[   18.121564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.121718][   T12] Workqueue: netns cleanup_net
[   18.121856][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.122017][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.122568][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.122724][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c62b380 RCX: 1ff4000000018eaf
[   18.122907][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c62b43c
[   18.123092][   T12] RBP: ff1100000df74000 R08: 1fe22000018c5689 R09: ff11000001aed1d0
[   18.123466][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.123654][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e7e1000
[   18.123840][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.124053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.124273][   T12] CR2: 000055855f150798 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   18.124458][   T12] PKRU: 55555554
[   18.124550][   T12] Call Trace:
[   18.124647][   T12]  <TASK>
[   18.124714][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.124835][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.124958][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.125052][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.125182][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.125305][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.125458][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.125586][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.125710][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.125865][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.125992][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.126150][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.126272][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.126394][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.126578][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.126704][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.126829][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.126952][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.127076][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.127205][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.127329][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.127451][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.127581][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.127705][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.127827][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.127952][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.128074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.128202][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.128329][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.128453][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.128586][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.128715][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.128842][   T12]  kthread (kernel/kthread.c:436)
[   18.128934][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.129089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.129216][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.129340][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.129498][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.129630][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.129753][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.140763][   T12] ------------[ cut here ]------------
| [   18.140907][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.141221][   T12] Modules linked in: nf_tables
| [   18.141638][   T12] Tainted: [W]=WARN
[   18.141732][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.141891][   T12] Workqueue: netns cleanup_net
[   18.142018][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.142234][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.142694][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.142851][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bacbe00 RCX: 1ff4000000018eaf
[   18.143034][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bacbebc
[   18.143230][   T12] RBP: ff1100000e7e1000 R08: 1fe22000017597d9 R09: ff11000001aed1d0
[   18.143421][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.143609][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e7e4000
[   18.143795][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.144008][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.144169][   T12] CR2: 000055855f150798 CR3: 000000007bd4d005 CR4: 0000000000771ef0
[   18.144354][   T12] PKRU: 55555554
[   18.144463][   T12] Call Trace:
[   18.144566][   T12]  <TASK>
[   18.144633][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.144758][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.144880][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.144974][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.145104][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.145228][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.145380][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.145503][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.145631][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.145784][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.145906][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.146056][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.146184][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.146307][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.146462][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.146595][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.146718][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.146839][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.146961][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.147084][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.147225][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.147350][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.147473][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.147600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.147719][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.147840][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.147959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.148082][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.148213][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.148337][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.148462][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.148593][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.148713][   T12]  kthread (kernel/kthread.c:436)
[   18.148804][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.148966][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.149093][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.149234][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.149399][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.149529][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.149656][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.152995][   T12] ------------[ cut here ]------------
| [   18.153183][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.153473][   T12] Modules linked in: nf_tables
| [   18.153984][   T12] Tainted: [W]=WARN
[   18.154138][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.154338][   T12] Workqueue: netns cleanup_net
[   18.154514][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.154731][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.155240][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.155453][   T12] RAX: 00000000ffffffa6 RBX: ff1100000db6b8c0 RCX: 1ff4000000018eaf
[   18.155689][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000db6b97c
[   18.155918][   T12] RBP: ff1100000e7e4000 R08: 1fe2200001b6d731 R09: ff11000001aed1d0
[   18.156252][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.156651][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007821000
[   18.156978][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.157441][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.157751][   T12] CR2: 000055855f0e19f8 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.158067][   T12] PKRU: 55555554
[   18.158278][   T12] Call Trace:
[   18.158492][   T12]  <TASK>
[   18.158646][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.158816][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.158989][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.159148][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.159321][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.159505][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.159712][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.159880][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.160052][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.160275][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.160452][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.160691][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.160863][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.161034][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.161248][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.161436][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.161619][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.161794][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.161967][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.162151][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.162356][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.162526][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.162709][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.162916][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.163091][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.163278][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.163448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.163629][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.163805][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.163974][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.164179][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.164358][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.164530][   T12]  kthread (kernel/kthread.c:436)
[   18.164710][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.164911][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.165083][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.165296][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.165502][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.165683][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.165854][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.169014][   T12] ------------[ cut here ]------------
| [   18.169972][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.170321][   T12] Modules linked in: nf_tables
| [   18.170736][   T12] Tainted: [W]=WARN
[   18.170830][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.170985][   T12] Workqueue: netns cleanup_net
[   18.171218][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.171385][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.171830][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.171987][   T12] RAX: 00000000ffffffa6 RBX: ff11000012d51e00 RCX: 1ff4000000018eaf
[   18.172260][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012d51ebc
[   18.172443][   T12] RBP: ff11000007821000 R08: 1fe22000025aa3d9 R09: ff11000001aed1d0
[   18.172632][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   18.172817][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   18.173003][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.173286][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.173440][   T12] CR2: 00007fcc5e3ba318 CR3: 0000000004e6a006 CR4: 0000000000771ef0
[   18.173629][   T12] PKRU: 55555554
[   18.173723][   T12] Call Trace:
[   18.173816][   T12]  <TASK>
[   18.173881][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.174006][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.174202][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.174296][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.174426][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.174556][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.174709][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.174837][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.174963][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.175124][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.175246][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.175404][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.175526][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.175658][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.175813][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.175948][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.176075][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.176207][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.176330][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.176453][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.176584][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.176707][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.176835][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.176961][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.177085][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.177215][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.177338][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.177461][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.177594][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.177717][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.177844][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.177973][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.178101][   T12]  kthread (kernel/kthread.c:436)
[   18.178200][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.178354][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.178476][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.178602][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.178754][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.178878][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.179004][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.181077][   T12] ------------[ cut here ]------------
| [   18.181408][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.181648][   T12] Modules linked in: nf_tables
| [   18.182040][   T12] Tainted: [W]=WARN
[   18.182135][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.182284][   T12] Workqueue: netns cleanup_net
[   18.182407][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.182565][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.182986][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.183139][   T12] RAX: 00000000ffffffa6 RBX: ff11000011bc1380 RCX: 1ff4000000018ed5
[   18.183319][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011bc143c
[   18.183496][   T12] RBP: ff1100000811c000 R08: 1fe2200002378289 R09: ff11000001aed1d0
[   18.183680][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.183861][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.184049][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.184261][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.184411][   T12] CR2: 00007fcc5e3ba318 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.184592][   T12] PKRU: 55555554
[   18.184680][   T12] Call Trace:
[   18.184771][   T12]  <TASK>
[   18.184833][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.184990][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.185142][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.185262][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.185381][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.185537][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.185674][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.185797][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.185916][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.186041][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.186168][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.186286][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.186408][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.186530][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.186662][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.186783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.186903][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.187025][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.187157][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.187277][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.187401][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.187548][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.187680][   T12]  kthread (kernel/kthread.c:436)
[   18.187771][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.187917][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.188048][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.188175][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.188322][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.188440][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.188564][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.191277][   T12] ------------[ cut here ]------------
| [   18.191401][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.191641][   T12] Modules linked in: nf_tables
| [   18.192043][   T12] Tainted: [W]=WARN
[   18.192138][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.192287][   T12] Workqueue: netns cleanup_net
[   18.192411][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.192569][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.192998][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.193152][   T12] RAX: 00000000ffffffa6 RBX: ff11000012d52040 RCX: 1ff4000000018ed5
[   18.193327][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012d520fc
[   18.193504][   T12] RBP: ff1100000a6f4000 R08: 1fe22000025aa421 R09: ff11000001aed1d0
[   18.193683][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.193859][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.194037][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.194248][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.194395][   T12] CR2: 00007fcc5e3ba318 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.194576][   T12] PKRU: 55555554
[   18.194664][   T12] Call Trace:
[   18.194752][   T12]  <TASK>
[   18.194814][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.194964][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.195135][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.195254][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.195372][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.195527][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.195655][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.195775][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.195894][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.196015][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.196145][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.196263][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.196389][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.196509][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.196633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.196752][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.196871][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.196992][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.197120][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.197237][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.197359][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.197481][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.197607][   T12]  kthread (kernel/kthread.c:436)
[   18.197697][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.197846][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.197965][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.198084][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.198237][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.198356][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.198475][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.201022][   T12] ------------[ cut here ]------------
| [   18.201862][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.202190][   T12] Modules linked in: nf_tables
| [   18.202582][   T12] Tainted: [W]=WARN
[   18.202670][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.202816][   T12] Workqueue: netns cleanup_net
[   18.202939][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.203190][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.203626][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.203778][   T12] RAX: 00000000ffffffa6 RBX: ff11000012d52c80 RCX: 1ff4000000018ed5
[   18.203954][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012d52d3c
[   18.204205][   T12] RBP: ff11000009b2c000 R08: 1fe22000025aa5a9 R09: ff11000001aed1d0
[   18.204381][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.204562][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.204741][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.204948][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.205153][   T12] CR2: 00007fcc5e3ba318 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.205336][   T12] PKRU: 55555554
[   18.205425][   T12] Call Trace:
[   18.205513][   T12]  <TASK>
[   18.205582][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.205735][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.205887][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.206006][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.206214][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.206367][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.206487][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.206611][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.206736][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.206856][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.206976][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.207159][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.207280][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.207400][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.207516][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.207645][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.207763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.207883][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.208005][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.208180][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.208302][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.208424][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.208542][   T12]  kthread (kernel/kthread.c:436)
[   18.208638][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.208786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.208905][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.209025][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.209251][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.209371][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.209491][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.214918][   T12] ------------[ cut here ]------------
| [   18.215057][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.215379][   T12] Modules linked in: nf_tables
| [   18.215793][   T12] Tainted: [W]=WARN
[   18.215883][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.216031][   T12] Workqueue: netns cleanup_net
[   18.216168][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.216324][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.216756][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.216905][   T12] RAX: 00000000ffffffa6 RBX: ff11000012d53a80 RCX: 1ff4000000018ed5
[   18.217083][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012d53b3c
[   18.217265][   T12] RBP: ff110000098c4000 R08: 1fe22000025aa769 R09: ff11000001aed1d0
[   18.217440][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.217620][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.217801][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.218007][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.218162][   T12] CR2: 000055854ee36d5c CR3: 0000000004ea9006 CR4: 0000000000771ef0
[   18.218339][   T12] PKRU: 55555554
[   18.218427][   T12] Call Trace:
[   18.218516][   T12]  <TASK>
[   18.218589][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.218741][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.218887][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.219005][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.219130][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.219281][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.219402][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.219521][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.219646][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.219764][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.219884][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.220003][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.220132][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.220251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.220368][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.220487][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.220613][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.220736][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.220857][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.220975][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.221105][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.221229][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.221348][   T12]  kthread (kernel/kthread.c:436)
[   18.221443][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.221595][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.221712][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.221832][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.221978][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.222103][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.222222][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.224654][   T12] ------------[ cut here ]------------
| [   18.224782][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.225022][   T12] Modules linked in: nf_tables
| [   18.225847][   T12] Tainted: [W]=WARN
[   18.225935][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.226084][   T12] Workqueue: netns cleanup_net
[   18.226264][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.226420][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.226842][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.226990][   T12] RAX: 00000000ffffffa6 RBX: ff1100000db323c0 RCX: 1ff4000000018ed5
[   18.227225][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000db3247c
[   18.227448][   T12] RBP: ff1100000c779000 R08: 1fe2200001b66491 R09: ff11000001aed1d0
[   18.227628][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.227804][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.227981][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.228288][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.228435][   T12] CR2: 000055854ee36d5c CR3: 0000000004ea9006 CR4: 0000000000771ef0
[   18.228623][   T12] PKRU: 55555554
[   18.228712][   T12] Call Trace:
[   18.228799][   T12]  <TASK>
[   18.228861][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.229015][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.229268][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.229387][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.229505][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.229660][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.229780][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.229910][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.230029][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.230246][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.230368][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.230485][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.230613][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.230732][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.230852][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.230971][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.231091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.231302][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.231423][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.231539][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.231670][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.231792][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.231909][   T12]  kthread (kernel/kthread.c:436)
[   18.231998][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.232244][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.232363][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.232481][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.232633][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.232750][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.232874][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.242228][   T12] ------------[ cut here ]------------
| [   18.242374][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.242618][   T12] Modules linked in: nf_tables
| [   18.243015][   T12] Tainted: [W]=WARN
[   18.243109][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.243257][   T12] Workqueue: netns cleanup_net
[   18.243385][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.243537][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.243965][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.244124][   T12] RAX: 00000000ffffffa6 RBX: ff1100000db331c0 RCX: 1ff4000000018ed5
[   18.244302][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000db3327c
[   18.244479][   T12] RBP: ff1100000df71000 R08: 1fe2200001b66651 R09: ff11000001aed1d0
[   18.244663][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.244844][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.245023][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.245239][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.245388][   T12] CR2: 000055669855c2b8 CR3: 000000000d332003 CR4: 0000000000771ef0
[   18.245575][   T12] PKRU: 55555554
[   18.245669][   T12] Call Trace:
[   18.245759][   T12]  <TASK>
[   18.245821][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.245977][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.246131][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.246249][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.246371][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.246524][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.246651][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.246771][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.246889][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.247010][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.247137][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.247255][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.247376][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.247496][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.247618][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.247738][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.247857][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.247976][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.248105][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.248224][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.248354][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.248477][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.248601][   T12]  kthread (kernel/kthread.c:436)
[   18.248691][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.248836][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.248957][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.249075][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.249228][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.249346][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.249466][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.251751][   T12] ------------[ cut here ]------------
| [   18.251880][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.252122][   T12] Modules linked in: nf_tables
| [   18.252505][   T12] Tainted: [W]=WARN
[   18.252600][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.252747][   T12] Workqueue: netns cleanup_net
[   18.252868][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.253020][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.253445][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.253594][   T12] RAX: 00000000ffffffa6 RBX: ff1100000db33a80 RCX: 1ff4000000018ed5
[   18.253769][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000db33b3c
[   18.253944][   T12] RBP: ff1100000df74000 R08: 1fe2200001b66769 R09: ff11000001aed1d0
[   18.254124][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.254302][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.254484][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.254695][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.254849][   T12] CR2: 000055669855c2b8 CR3: 000000000d332003 CR4: 0000000000771ef0
[   18.255029][   T12] PKRU: 55555554
[   18.255124][   T12] Call Trace:
[   18.255222][   T12]  <TASK>
[   18.255284][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.255435][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.255587][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.255706][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.255823][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.255975][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.256099][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.256219][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.256338][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.256458][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.256582][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.256698][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.256820][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.256939][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.257055][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.257181][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.257300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.257420][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.257542][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.257673][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.257797][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.257919][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.258037][   T12]  kthread (kernel/kthread.c:436)
[   18.258131][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.258278][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.258396][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.258516][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.258674][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.258793][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.258913][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.261468][   T12] ------------[ cut here ]------------
| [   18.261592][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.261823][   T12] Modules linked in: nf_tables
| [   18.262217][   T12] Tainted: [W]=WARN
[   18.262308][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.262456][   T12] Workqueue: netns cleanup_net
[   18.262582][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.262737][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.263167][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.263316][   T12] RAX: 00000000ffffffa6 RBX: ff1100000943a740 RCX: 1ff4000000018ed5
[   18.263492][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000943a7fc
[   18.263677][   T12] RBP: ff1100000e7e1000 R08: 1fe2200001287501 R09: ff11000001aed1d0
[   18.263856][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.264038][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.264222][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.264428][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.264582][   T12] CR2: 000055669855c2b8 CR3: 000000000d332003 CR4: 0000000000771ef0
[   18.264764][   T12] PKRU: 55555554
[   18.264852][   T12] Call Trace:
[   18.264939][   T12]  <TASK>
[   18.265002][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.265159][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.265306][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.265424][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.265542][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.265699][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.265820][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.265939][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.266057][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.266183][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.266305][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.266424][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.266548][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.266676][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.266797][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.266915][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.267031][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.267156][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.267280][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.267399][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.267520][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.267647][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.267767][   T12]  kthread (kernel/kthread.c:436)
[   18.267857][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.268005][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.268130][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.268250][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.268403][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.268521][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.268648][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.270909][   T12] ------------[ cut here ]------------
| [   18.271025][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.271261][   T12] Modules linked in: nf_tables
| [   18.271653][   T12] Tainted: [W]=WARN
[   18.271743][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.271891][   T12] Workqueue: netns cleanup_net
[   18.272012][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.272169][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.272609][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.272757][   T12] RAX: 00000000ffffffa6 RBX: ff1100000943a200 RCX: 1ff4000000018ed5
[   18.272933][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000943a2bc
[   18.273112][   T12] RBP: ff1100000e7e4000 R08: 1fe2200001287459 R09: ff11000001aed1d0
[   18.273288][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.273464][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.273645][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.273851][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.274002][   T12] CR2: 000055669855c2b8 CR3: 000000000d332003 CR4: 0000000000771ef0
[   18.274186][   T12] PKRU: 55555554
[   18.274274][   T12] Call Trace:
[   18.274371][   T12]  <TASK>
[   18.274432][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.274590][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.274739][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.274858][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.274977][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.275134][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.275255][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.275374][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.275492][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.275615][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.275735][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.275853][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.275974][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.276099][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.276217][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.276336][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.276453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.276577][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.276700][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.276820][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.276947][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.277068][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.277192][   T12]  kthread (kernel/kthread.c:436)
[   18.277282][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.277429][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.277548][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.277671][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.277819][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.277935][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.278054][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.280376][   T12] ------------[ cut here ]------------
| [   18.280494][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.280728][   T12] Modules linked in: nf_tables
| [   18.281120][   T12] Tainted: [W]=WARN
[   18.281211][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.281357][   T12] Workqueue: netns cleanup_net
[   18.281479][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.281637][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.282102][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.282251][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dabe900 RCX: 1ff4000000018ed5
[   18.282427][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabe9bc
[   18.282610][   T12] RBP: ff11000007821000 R08: 1fe2200001b57d39 R09: ff11000001aed1d0
[   18.282787][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.282963][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.283146][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.283350][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.283497][   T12] CR2: 000055669855c2b8 CR3: 000000000d332003 CR4: 0000000000771ef0
[   18.283679][   T12] PKRU: 55555554
[   18.283767][   T12] Call Trace:
[   18.283855][   T12]  <TASK>
[   18.283916][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.284065][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.284216][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.284338][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.284456][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.284613][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.284732][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.284854][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.284971][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.285098][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.285219][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.285336][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.285461][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.285584][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.285705][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.285828][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.285946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.286064][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.286192][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.286310][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.286433][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.286565][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.286684][   T12]  kthread (kernel/kthread.c:436)
[   18.286781][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.286926][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.287045][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.287167][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.287314][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.287431][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.287549][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.324691][   T12] ------------[ cut here ]------------
| [   18.324861][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.325286][   T12] Modules linked in: nf_tables
| [   18.325869][   T12] Tainted: [W]=WARN
[   18.326050][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.326301][   T12] Workqueue: netns cleanup_net
[   18.326530][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.326783][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.327306][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.327546][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dabeac0 RCX: 1ff4000000018eed
[   18.327818][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabeb7c
[   18.328075][   T12] RBP: ff110000099ec000 R08: 1fe2200001b57d71 R09: ff11000001aed1d0
[   18.328313][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.328536][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.328766][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.329017][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.329227][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.329449][   T12] PKRU: 55555554
[   18.329589][   T12] Call Trace:
[   18.329724][   T12]  <TASK>
[   18.329860][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.330062][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.330266][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.330432][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.330606][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.330772][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.330941][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.331121][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.331290][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.331454][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.331630][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.331828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.331991][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.332172][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.332338][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.332511][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.332689][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.332854][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.333024][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.333206][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.333368][   T12]  kthread (kernel/kthread.c:436)
[   18.333505][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.333705][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.333869][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.334034][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.334249][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.334415][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.334590][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.337200][   T12] ------------[ cut here ]------------
| [   18.337356][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.337638][   T12] Modules linked in: nf_tables
| [   18.338134][   T12] Tainted: [W]=WARN
[   18.338268][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.338469][   T12] Workqueue: netns cleanup_net
[   18.338646][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.338849][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.339323][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.339519][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dabf540 RCX: 1ff4000000018eed
[   18.339747][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dabf5fc
[   18.339999][   T12] RBP: ff11000007c79000 R08: 1fe2200001b57ec1 R09: ff11000001aed1d0
[   18.340228][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.340448][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.340679][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.340932][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.341141][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.341363][   T12] PKRU: 55555554
[   18.341497][   T12] Call Trace:
[   18.341640][   T12]  <TASK>
[   18.341746][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.341947][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.342154][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.342320][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.342486][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.342656][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.342823][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.343001][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.343180][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.343348][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.343515][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.343688][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.343851][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.344018][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.344196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.344363][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.344532][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.344707][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.344877][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.345048][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.345225][   T12]  kthread (kernel/kthread.c:436)
[   18.345363][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.345565][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.345732][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.345896][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.346091][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.346269][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.346434][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.349027][   T12] ------------[ cut here ]------------
| [   18.349344][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.349672][   T12] Modules linked in: nf_tables
| [   18.350255][   T12] Tainted: [W]=WARN
[   18.350433][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.350674][   T12] Workqueue: netns cleanup_net
[   18.350888][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.351147][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.351690][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.351928][   T12] RAX: 00000000ffffffa6 RBX: ff11000011945a80 RCX: 1ff4000000018eed
[   18.352209][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011945b3c
[   18.352475][   T12] RBP: ff1100000cb14000 R08: 1fe2200002328b69 R09: ff11000001aed1d0
[   18.352746][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.353010][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.353293][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.353598][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.353837][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.354129][   T12] PKRU: 55555554
[   18.354307][   T12] Call Trace:
[   18.354485][   T12]  <TASK>
[   18.354643][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.354886][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.355133][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.355347][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.355563][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.355771][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.355985][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.356221][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.356493][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.356754][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.357013][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.357281][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.357533][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.357794][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.358043][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.358304][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.358515][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.358689][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.358859][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.359029][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.359203][   T12]  kthread (kernel/kthread.c:436)
[   18.359338][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.359531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.359708][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.359875][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.360069][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.360247][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.360416][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.362811][   T12] ------------[ cut here ]------------
| [   18.362999][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.363748][   T12] Modules linked in: nf_tables
| [   18.364330][   T12] Tainted: [W]=WARN
[   18.364510][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.364760][   T12] Workqueue: netns cleanup_net
[   18.364979][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.365238][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.365754][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.365999][   T12] RAX: 00000000ffffffa6 RBX: ff11000011945e00 RCX: 1ff4000000018eed
[   18.366274][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011945ebc
[   18.366542][   T12] RBP: ff1100000ce54000 R08: 1fe2200002328bd9 R09: ff11000001aed1d0
[   18.366815][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.367084][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.367364][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.367670][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.367909][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.368192][   T12] PKRU: 55555554
[   18.368372][   T12] Call Trace:
[   18.368537][   T12]  <TASK>
[   18.368652][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.368848][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.369041][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.369222][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.369389][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.369563][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.369731][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.369898][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.370066][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.370241][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.370411][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.370582][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.370750][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.370919][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.371084][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.371263][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.371432][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.371601][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.371771][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.371976][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.372154][   T12]  kthread (kernel/kthread.c:436)
[   18.372292][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.372486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.372658][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.372825][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.373016][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.373200][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.373366][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.375786][   T12] ------------[ cut here ]------------
| [   18.375950][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.377075][   T12] Modules linked in: nf_tables
| [   18.377661][   T12] Tainted: [W]=WARN
[   18.377838][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.378080][   T12] Workqueue: netns cleanup_net
[   18.378307][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.378560][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.379065][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.379317][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd7700 RCX: 1ff4000000018eed
[   18.379592][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd77bc
[   18.379857][   T12] RBP: ff1100000fa5c000 R08: 1fe2200001bfaef9 R09: ff11000001aed1d0
[   18.380141][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.380407][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.380684][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.380981][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.381235][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.381504][   T12] PKRU: 55555554
[   18.381689][   T12] Call Trace:
[   18.381869][   T12]  <TASK>
[   18.382023][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.382281][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.382517][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.382735][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.382944][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.383163][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.383371][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.383589][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.383800][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.384011][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.384242][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.384452][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.384723][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.384931][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.385158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.385368][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.385589][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.385789][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.385955][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.386139][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.386303][   T12]  kthread (kernel/kthread.c:436)
[   18.386437][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.386636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.386800][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.386969][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.387178][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.387345][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.387509][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.401524][   T12] ------------[ cut here ]------------
| [   18.401705][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.402036][   T12] Modules linked in: nf_tables
| [   18.402959][   T12] Tainted: [W]=WARN
[   18.403115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.403317][   T12] Workqueue: netns cleanup_net
[   18.403505][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.403729][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.404232][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   18.404438][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b579a80 RCX: 1ff4000000018eae
[   18.404682][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b579b3c
[   18.404920][   T12] RBP: ff1100000e6ec000 R08: 1fe22000016af369 R09: ff11000001aed1d0
[   18.405181][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   18.405421][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   18.405666][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.405937][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.406214][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.406504][   T12] PKRU: 55555554
[   18.406705][   T12] Call Trace:
[   18.406903][   T12]  <TASK>
[   18.407069][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.407306][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.407542][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   18.407778][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   18.408000][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.408236][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   18.408489][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.408732][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   18.408984][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.409222][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.409444][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.409693][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   18.409915][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   18.410185][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.410413][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   18.410613][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.410836][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.411083][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.411269][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.411446][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.411631][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.411808][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.411987][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.412173][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.412350][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.412524][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.412701][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.412876][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.413052][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.413241][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.413420][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.413601][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.413780][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.413958][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.414145][   T12]  kthread (kernel/kthread.c:436)
[   18.414288][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.414496][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.414687][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.414863][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.415069][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.415256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.415431][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.418627][   T12] ------------[ cut here ]------------
| [   18.418801][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.419116][   T12] Modules linked in: nf_tables
| [   18.419646][   T12] Tainted: [W]=WARN
[   18.419792][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.419999][   T12] Workqueue: netns cleanup_net
[   18.420195][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.420412][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.420937][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.421160][   T12] RAX: 00000000ffffffa6 RBX: ff1100001186f1c0 RCX: 1ff4000000018ea8
[   18.421399][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001186f27c
[   18.421649][   T12] RBP: ff1100000e6ec000 R08: 1fe220000230de51 R09: ff11000001aed1d0
[   18.421888][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   18.422144][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.422386][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.422668][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.422879][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.423253][   T12] PKRU: 55555554
[   18.423497][   T12] Call Trace:
[   18.423715][   T12]  <TASK>
[   18.423912][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.424162][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.424388][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.424663][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.424896][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.425140][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   18.425377][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.425618][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.425852][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.426085][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.426397][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   18.426633][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.426843][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.427079][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.427353][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.427597][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.427830][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.428058][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.428298][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.428528][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.428763][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.429024][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.429265][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.429491][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.429731][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.429989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.430232][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.430465][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.430724][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.430963][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.431235][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.431468][   T12]  kthread (kernel/kthread.c:436)
[   18.431673][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.431933][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.432204][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.432517][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.432809][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.433128][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.433382][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.435394][   T12] ------------[ cut here ]------------
| [   18.435567][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.435865][   T12] Modules linked in: nf_tables
| [   18.436418][   T12] Tainted: [W]=WARN
[   18.436567][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.436774][   T12] Workqueue: netns cleanup_net
[   18.436954][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.437181][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.437702][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.437913][   T12] RAX: 00000000ffffffa6 RBX: ff1100001186ee40 RCX: 1ff4000000018ea8
[   18.438165][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001186eefc
[   18.438400][   T12] RBP: ff1100000e6ec000 R08: 1fe220000230dde1 R09: ff11000001aed1d0
[   18.438649][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   18.438887][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.439142][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.439414][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.439633][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.439873][   T12] PKRU: 55555554
[   18.440017][   T12] Call Trace:
[   18.440180][   T12]  <TASK>
[   18.440293][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.440471][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.440625][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.440803][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.440985][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.441202][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.441377][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.441552][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.441739][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.441917][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.442105][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.442284][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   18.442431][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.442583][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.442760][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.442940][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.443133][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.443311][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.443491][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.443677][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.443857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.444032][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.444222][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.444398][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.444578][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.444757][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.444936][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.445127][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.445308][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.445484][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.445672][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.445852][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.446026][   T12]  kthread (kernel/kthread.c:436)
[   18.446181][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.446392][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.446574][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.446751][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.446956][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.447146][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.447323][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.468946][   T12] ------------[ cut here ]------------
| [   18.469137][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.469458][   T12] Modules linked in: nf_tables
| [   18.469968][   T12] Tainted: [W]=WARN
[   18.470122][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.470322][   T12] Workqueue: netns cleanup_net
[   18.470498][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.470712][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.471246][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.471448][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c37b700 RCX: 1ff4000000018eaf
[   18.471691][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37b7bc
[   18.471924][   T12] RBP: ff11000012639000 R08: 1fe220000186f6f9 R09: ff11000001aed1d0
[   18.472167][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.472397][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6ec000
[   18.473072][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.473356][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.473566][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.473802][   T12] PKRU: 55555554
[   18.473942][   T12] Call Trace:
[   18.474082][   T12]  <TASK>
[   18.474208][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.474383][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.474527][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.474708][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.474881][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.475082][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.475266][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.475445][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.475655][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.475857][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.476058][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.476239][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.476409][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.476618][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.476792][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.476964][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.477146][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.477318][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.477491][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.477671][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.477841][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.478014][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.478199][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.478368][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.478542][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.478721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.478895][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.479072][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.479256][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.479434][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.479616][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.479818][   T12]  kthread (kernel/kthread.c:436)
[   18.479956][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.480170][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.480344][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.480518][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.480726][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.480898][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.481068][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.483251][   T12] ------------[ cut here ]------------
| [   18.483419][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.483714][   T12] Modules linked in: nf_tables
| [   18.484255][   T12] Tainted: [W]=WARN
[   18.484393][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.484601][   T12] Workqueue: netns cleanup_net
[   18.484777][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.484997][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.485497][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.485708][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c37b000 RCX: 1ff4000000018eaf
[   18.485939][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c37b0bc
[   18.486186][   T12] RBP: ff1100000e6ec000 R08: 1fe220000186f619 R09: ff11000001aed1d0
[   18.486418][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.486657][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000096bc000
[   18.486890][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.487168][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.487404][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.487644][   T12] PKRU: 55555554
[   18.487782][   T12] Call Trace:
[   18.487923][   T12]  <TASK>
[   18.488035][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.488224][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.488396][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.488539][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.488720][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.488892][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.489106][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.489280][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.489454][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.489662][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.489834][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.490038][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.490224][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.490424][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.490632][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.490809][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.490982][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.491167][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.491341][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.491516][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.491700][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.491871][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.492046][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.492261][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.492434][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.492614][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.492786][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.492962][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.493150][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.493321][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.493496][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.493960][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.494145][   T12]  kthread (kernel/kthread.c:436)
[   18.494287][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.494490][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.494673][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.494846][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.495051][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.495235][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.495408][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.497911][   T12] ------------[ cut here ]------------
| [   18.498113][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.498406][   T12] Modules linked in: nf_tables
| [   18.498915][   T12] Tainted: [W]=WARN
[   18.499055][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.499348][   T12] Workqueue: netns cleanup_net
[   18.499583][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.499844][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.500390][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.500650][   T12] RAX: 00000000ffffffa6 RBX: ff1100000badfe00 RCX: 1ff4000000018eaf
[   18.500928][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badfebc
[   18.501223][   T12] RBP: ff110000096bc000 R08: 1fe220000175bfd9 R09: ff11000001aed1d0
[   18.501514][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.501800][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005699000
[   18.502083][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.502408][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.502663][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.502941][   T12] PKRU: 55555554
[   18.503140][   T12] Call Trace:
[   18.503327][   T12]  <TASK>
[   18.503486][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.503712][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.503931][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.504136][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.504358][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.504583][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.504830][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.505047][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.505283][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.505531][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.505778][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.506029][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.506262][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.506480][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.506769][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.506991][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.507229][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.507448][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.507691][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.507862][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.508035][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.508218][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.508395][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.508575][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.508744][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.508915][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.509088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.509274][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.509448][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.509625][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.509803][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.509978][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.510167][   T12]  kthread (kernel/kthread.c:436)
[   18.510311][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.510512][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.510691][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.510864][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.511063][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.511245][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.511417][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.514056][   T12] ------------[ cut here ]------------
| [   18.514265][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.514562][   T12] Modules linked in: nf_tables
| [   18.515059][   T12] Tainted: [W]=WARN
[   18.515276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.515526][   T12] Workqueue: netns cleanup_net
[   18.515763][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.516023][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.516573][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.516822][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028ac80 RCX: 1ff4000000018eaf
[   18.517116][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028ad3c
[   18.517405][   T12] RBP: ff11000005699000 R08: 1fe22000020515a9 R09: ff11000001aed1d0
[   18.517691][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.517967][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000569c000
[   18.518264][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.518588][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.518839][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.519137][   T12] PKRU: 55555554
[   18.519324][   T12] Call Trace:
[   18.519510][   T12]  <TASK>
[   18.519678][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.519924][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.520156][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.520377][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.520604][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.520823][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.521073][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.521302][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.521524][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.521796][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.522016][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.522286][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.522510][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.522735][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.522985][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.523269][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.523568][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.523834][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.524060][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.524240][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.524415][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.524592][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.524764][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.524936][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.525148][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.525326][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.525530][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.525727][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.525905][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.526074][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.526263][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.526454][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.526633][   T12]  kthread (kernel/kthread.c:436)
[   18.526773][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.526973][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.527160][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.527331][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.527531][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.527711][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.527885][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.530936][   T12] ------------[ cut here ]------------
| [   18.531566][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.531914][   T12] Modules linked in: nf_tables
| [   18.532517][   T12] Tainted: [W]=WARN
[   18.532712][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.532959][   T12] Workqueue: netns cleanup_net
[   18.533197][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.533455][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.533998][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.534255][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b578ac0 RCX: 1ff4000000018eaf
[   18.534536][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b578b7c
[   18.534821][   T12] RBP: ff1100000569c000 R08: 1fe22000016af171 R09: ff11000001aed1d0
[   18.535112][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.535401][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b864000
[   18.535726][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.536035][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.536297][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.536585][   T12] PKRU: 55555554
[   18.536771][   T12] Call Trace:
[   18.536956][   T12]  <TASK>
[   18.537133][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.537353][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.537578][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.537819][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.538081][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.538407][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.538678][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.538849][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.539053][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.539269][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.539439][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.539644][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.539815][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.539984][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.540202][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.540376][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.540550][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.540727][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.540896][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.541068][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.541255][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.541428][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.541605][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.541779][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.541949][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.542135][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.542302][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.542474][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.542660][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.542833][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.543012][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.543201][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.543373][   T12]  kthread (kernel/kthread.c:436)
[   18.543515][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.543724][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.543899][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.544075][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.544288][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.544459][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.544656][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.547723][   T12] ------------[ cut here ]------------
| [   18.547888][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.548471][   T12] Modules linked in: nf_tables
| [   18.549081][   T12] Tainted: [W]=WARN
[   18.549286][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.549534][   T12] Workqueue: netns cleanup_net
[   18.549765][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.550025][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.550573][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.550822][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c1a8200 RCX: 1ff4000000018eaf
[   18.551109][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1a82bc
[   18.551386][   T12] RBP: ff1100000b864000 R08: 1fe2200001835059 R09: ff11000001aed1d0
[   18.551671][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.551947][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011b99000
[   18.552237][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   18.552545][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.552800][   T12] CR2: 00007f68ab1d9574 CR3: 000000007bd4d003 CR4: 0000000000771ef0
[   18.553079][   T12] PKRU: 55555554
[   18.553275][   T12] Call Trace:
[   18.553460][   T12]  <TASK>
[   18.553625][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.553849][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.554067][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.554266][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.554485][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.554711][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.554956][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.555186][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.555407][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.555687][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.555929][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.556269][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.556434][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.556611][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.556813][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.556988][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.557175][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.557347][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.557520][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.557700][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.557875][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.558041][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.558256][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.558430][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.558638][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.558813][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.558986][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.559170][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.559344][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.559514][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.559698][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.559873][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.560043][   T12]  kthread (kernel/kthread.c:436)
[   18.560197][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.560399][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.560577][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.560751][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.560952][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.561138][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.561310][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.565532][   T12] ------------[ cut here ]------------
| [   18.565680][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.565925][   T12] Modules linked in: nf_tables
| [   18.566349][   T12] Tainted: [W]=WARN
[   18.566442][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.566600][   T12] Workqueue: netns cleanup_net
[   18.566731][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.566892][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.567878][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.568049][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc76e40 RCX: 1ff4000000018eaf
[   18.568293][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc76efc
[   18.568477][   T12] RBP: ff11000011b99000 R08: 1fe220000178ede1 R09: ff11000001aed1d0
[   18.568665][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.568848][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000faa9000
[   18.569034][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.569296][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.569456][   T12] CR2: 000055855f1513e8 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.569648][   T12] PKRU: 55555554
[   18.569740][   T12] Call Trace:
[   18.569831][   T12]  <TASK>
[   18.569896][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.570020][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.570152][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.570247][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.570371][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.570494][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.570649][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.570771][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.570897][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.571052][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.571182][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.571333][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.571461][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.571589][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.571740][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.571864][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.571987][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.572116][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.572238][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.572361][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.572485][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.572614][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.572743][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.572864][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.572985][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.573112][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.573234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.573358][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.573483][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.573611][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.573739][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.573865][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.573989][   T12]  kthread (kernel/kthread.c:436)
[   18.574082][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.574239][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.574361][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.574485][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.574642][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.574763][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.574886][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.578799][   T12] ------------[ cut here ]------------
| [   18.578943][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.579196][   T12] Modules linked in: nf_tables
| [   18.579605][   T12] Tainted: [W]=WARN
[   18.579697][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.579849][   T12] Workqueue: netns cleanup_net
[   18.579979][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.580145][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.580589][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.580753][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d09f700 RCX: 1ff4000000018eaf
[   18.580937][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09f7bc
[   18.581126][   T12] RBP: ff1100000faa9000 R08: 1fe2200001a13ef9 R09: ff11000001aed1d0
[   18.581309][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.581492][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   18.581682][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.581897][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.582050][   T12] CR2: 000055855f1513e8 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.582245][   T12] PKRU: 55555554
[   18.582337][   T12] Call Trace:
[   18.582429][   T12]  <TASK>
[   18.582493][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.582621][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.582750][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.582843][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.582967][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.583091][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.583247][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.583369][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.583492][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.583663][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.583784][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.583938][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.584061][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.584189][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.584343][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.584466][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.584595][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.584718][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.584845][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.584969][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.585100][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.585223][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.585348][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.585472][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.585598][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.585722][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.585843][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.585967][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.586100][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.586220][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.586346][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.586472][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.586597][   T12]  kthread (kernel/kthread.c:436)
[   18.586689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.586842][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.586964][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.587086][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.587294][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.587416][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.587537][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.590828][   T12] ------------[ cut here ]------------
| [   18.590960][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.591437][   T12] Modules linked in: nf_tables
| [   18.591836][   T12] Tainted: [W]=WARN
[   18.591924][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.592072][   T12] Workqueue: netns cleanup_net
[   18.592200][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.592355][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.592779][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.592930][   T12] RAX: 00000000ffffffa6 RBX: ff11000011bc2200 RCX: 1ff4000000018ed5
[   18.593111][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011bc22bc
[   18.593286][   T12] RBP: ff11000012639000 R08: 1fe2200002378459 R09: ff11000001aed1d0
[   18.593461][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.593642][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.593818][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.594032][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.594185][   T12] CR2: 000055855f1513e8 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.594360][   T12] PKRU: 55555554
[   18.594448][   T12] Call Trace:
[   18.594536][   T12]  <TASK>
[   18.594601][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.594754][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.594902][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.595021][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.595148][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.595299][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.595419][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.595537][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.595662][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.595781][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.595902][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.596019][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.596143][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.596262][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.596381][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.596500][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.596623][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.596743][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.596865][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.596985][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.597112][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.597235][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.597357][   T12]  kthread (kernel/kthread.c:436)
[   18.597448][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.597598][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.597717][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.597840][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.597987][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.598108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.598225][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.609828][   T12] ------------[ cut here ]------------
| [   18.609962][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.610355][   T12] Modules linked in: nf_tables
| [   18.610879][   T12] Tainted: [W]=WARN
[   18.610967][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.611152][   T12] Workqueue: netns cleanup_net
[   18.611276][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.611432][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.611864][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.612011][   T12] RAX: 00000000ffffffa6 RBX: ff11000011bc2e40 RCX: 1ff4000000018ed5
[   18.612194][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011bc2efc
[   18.612370][   T12] RBP: ff1100000e6ec000 R08: 1fe22000023785e1 R09: ff11000001aed1d0
[   18.612546][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.612723][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.612899][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.613108][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.613257][   T12] CR2: 000055855f1513e8 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.613434][   T12] PKRU: 55555554
[   18.613521][   T12] Call Trace:
[   18.613617][   T12]  <TASK>
[   18.613678][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.613828][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.613974][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.614104][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.614223][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.614376][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.614494][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.614618][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.614740][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.614859][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.614984][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.615107][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.615228][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.615346][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.615461][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.615584][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.615700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.615820][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.615943][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.616061][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.616188][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.616311][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.616427][   T12]  kthread (kernel/kthread.c:436)
[   18.616517][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.616674][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.616793][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.616911][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.617058][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.617183][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.617300][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.619836][   T12] ------------[ cut here ]------------
| [   18.619969][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.620319][   T12] Modules linked in: nf_tables
| [   18.620713][   T12] Tainted: [W]=WARN
[   18.620801][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.620946][   T12] Workqueue: netns cleanup_net
[   18.621069][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.621229][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.621660][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.621811][   T12] RAX: 00000000ffffffa6 RBX: ff11000011bc38c0 RCX: 1ff4000000018ed5
[   18.621988][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011bc397c
[   18.622167][   T12] RBP: ff110000096bc000 R08: 1fe2200002378731 R09: ff11000001aed1d0
[   18.622340][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.622599][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.622793][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.623004][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.623166][   T12] CR2: 000055855f1513e8 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.623346][   T12] PKRU: 55555554
[   18.623433][   T12] Call Trace:
[   18.623520][   T12]  <TASK>
[   18.623589][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.623740][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.623888][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.624006][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.624129][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.624280][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.624400][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.624517][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.624640][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.624758][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.624876][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.624991][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.625118][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.625236][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.625353][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.625472][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.625598][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.625718][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.625839][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.625958][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.626081][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.626210][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.626326][   T12]  kthread (kernel/kthread.c:436)
[   18.626414][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.626564][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.626681][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.626798][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.626943][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.627060][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.627186][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.632110][   T12] ------------[ cut here ]------------
| [   18.632315][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.632569][   T12] Modules linked in: nf_tables
| [   18.632960][   T12] Tainted: [W]=WARN
[   18.633047][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.633201][   T12] Workqueue: netns cleanup_net
[   18.633322][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.633476][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.633894][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.634046][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ecb4580 RCX: 1ff4000000018ed5
[   18.634224][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ecb463c
[   18.634398][   T12] RBP: ff11000005699000 R08: 1fe2200001d968c9 R09: ff11000001aed1d0
[   18.634577][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.634750][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.634924][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.635136][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.635282][   T12] CR2: 000055855f1513e8 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.635457][   T12] PKRU: 55555554
[   18.635544][   T12] Call Trace:
[   18.635636][   T12]  <TASK>
[   18.635697][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.635848][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.635993][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.636118][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.636235][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.636384][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.636503][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.636625][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.636744][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.636861][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.636979][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.637102][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.637221][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.637340][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.637461][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.637583][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.637702][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.637821][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.637944][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.638061][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.638278][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.638400][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.638519][   T12]  kthread (kernel/kthread.c:436)
[   18.638611][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.638758][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.638875][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.638993][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.639236][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.639390][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.639508][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.642153][   T12] ------------[ cut here ]------------
| [   18.642283][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.642518][   T12] Modules linked in: nf_tables
| [   18.642918][   T12] Tainted: [W]=WARN
[   18.643006][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.643162][   T12] Workqueue: netns cleanup_net
[   18.643285][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.643439][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.643872][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.644027][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ecb4e40 RCX: 1ff4000000018ed5
[   18.644212][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ecb4efc
[   18.644387][   T12] RBP: ff1100000569c000 R08: 1fe2200001d969e1 R09: ff11000001aed1d0
[   18.644564][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.644740][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.644917][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.645132][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.645282][   T12] CR2: 000055855f154910 CR3: 0000000004ea9001 CR4: 0000000000771ef0
[   18.645461][   T12] PKRU: 55555554
[   18.645549][   T12] Call Trace:
[   18.645642][   T12]  <TASK>
[   18.645705][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.645862][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.646014][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.646154][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.646271][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.646424][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.646545][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.646667][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.646786][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.646911][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.647031][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.647157][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.647277][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.647397][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.647515][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.647640][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.647758][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.647882][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.648005][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.648170][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.648296][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.648417][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.648534][   T12]  kthread (kernel/kthread.c:436)
[   18.648626][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.648773][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.648892][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.649012][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.649165][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.649283][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.649403][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.651667][   T12] ------------[ cut here ]------------
| [   18.651790][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.652033][   T12] Modules linked in: nf_tables
| [   18.652431][   T12] Tainted: [W]=WARN
[   18.652520][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.652681][   T12] Workqueue: netns cleanup_net
[   18.652805][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.652959][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.653390][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.653542][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ecb5700 RCX: 1ff4000000018ed5
[   18.653723][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ecb57bc
[   18.653899][   T12] RBP: ff1100000b864000 R08: 1fe2200001d96af9 R09: ff11000001aed1d0
[   18.654076][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.654257][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.654437][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.654654][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.654800][   T12] CR2: 000055855f154910 CR3: 0000000004ea9001 CR4: 0000000000771ef0
[   18.654979][   T12] PKRU: 55555554
[   18.655067][   T12] Call Trace:
[   18.655162][   T12]  <TASK>
[   18.655225][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.655381][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.655536][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.655661][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.655780][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.655931][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.656057][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.656182][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.656301][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.656421][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.656542][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.656665][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.656786][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.656909][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.657027][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.657154][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.657270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.657390][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.657513][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.657646][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.657773][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.657896][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.658015][   T12]  kthread (kernel/kthread.c:436)
[   18.658115][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.658264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.658384][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.658502][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.658662][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.658781][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.658899][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.661165][   T12] ------------[ cut here ]------------
| [   18.661282][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.661510][   T12] Modules linked in: nf_tables
| [   18.661902][   T12] Tainted: [W]=WARN
[   18.661991][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.662995][   T12] Workqueue: netns cleanup_net
[   18.663137][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.663288][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.663716][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.663864][   T12] RAX: 00000000ffffffa6 RBX: ff11000008d44900 RCX: 1ff4000000018ed5
[   18.664042][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d449bc
[   18.664222][   T12] RBP: ff11000011b99000 R08: 1fe22000011a8939 R09: ff11000001aed1d0
[   18.664397][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.664581][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.664759][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.664964][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.665115][   T12] CR2: 000055855f154910 CR3: 0000000004ea9001 CR4: 0000000000771ef0
[   18.665293][   T12] PKRU: 55555554
[   18.665381][   T12] Call Trace:
[   18.665469][   T12]  <TASK>
[   18.665531][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.665692][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.665839][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.665960][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.666077][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.666240][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.666360][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.666478][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.666600][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.666719][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.666839][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.666956][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.667079][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.667204][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.667323][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.667443][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.667566][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.667685][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.667811][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.667933][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.668056][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.668186][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.668304][   T12]  kthread (kernel/kthread.c:436)
[   18.668398][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.668551][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.668673][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.668792][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.668940][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.669061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.669186][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.671544][   T12] ------------[ cut here ]------------
| [   18.671674][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.671908][   T12] Modules linked in: nf_tables
| [   18.672560][   T12] Tainted: [W]=WARN
[   18.672651][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.672798][   T12] Workqueue: netns cleanup_net
[   18.672921][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.673077][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.673553][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.673708][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd6c80 RCX: 1ff4000000018ed5
[   18.673889][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd6d3c
[   18.674068][   T12] RBP: ff1100000faa9000 R08: 1fe2200001bfada9 R09: ff11000001aed1d0
[   18.674292][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.674468][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.674652][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.674861][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.675011][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.675240][   T12] PKRU: 55555554
[   18.675332][   T12] Call Trace:
[   18.675421][   T12]  <TASK>
[   18.675484][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.675646][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.675798][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.675919][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.676039][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.676240][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.676360][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.676485][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.676611][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.676731][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.676854][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.676971][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.677146][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.677268][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.677387][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.677513][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.677637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.677764][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.677887][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.678006][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.678178][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.678304][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.678427][   T12]  kthread (kernel/kthread.c:436)
[   18.678521][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.678674][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.678797][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.678919][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.679070][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.679238][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.679362][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.714801][   T12] ------------[ cut here ]------------
| [   18.715011][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.715280][   T12] Modules linked in: nf_tables
| [   18.715680][   T12] Tainted: [W]=WARN
[   18.715768][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.715917][   T12] Workqueue: netns cleanup_net
[   18.716038][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.716197][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.716642][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.716790][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee90ac0 RCX: 1ff4000000018eed
[   18.716977][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee90b7c
[   18.717159][   T12] RBP: ff110000093ec000 R08: 1fe2200001dd2171 R09: ff11000001aed1d0
[   18.717337][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.717518][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.717703][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.717913][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.718059][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.718248][   T12] PKRU: 55555554
[   18.718335][   T12] Call Trace:
[   18.718422][   T12]  <TASK>
[   18.718483][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.718640][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.718786][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.718903][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.719026][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.719152][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.719271][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.719390][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.719508][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.719628][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.719746][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.719862][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.719978][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.720102][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.720218][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.720336][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.720456][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.720579][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.720702][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.720823][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.720940][   T12]  kthread (kernel/kthread.c:436)
[   18.721028][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.721183][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.721303][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.721420][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.721571][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.721690][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.721813][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.731925][   T12] ------------[ cut here ]------------
| [   18.732059][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.732304][   T12] Modules linked in: nf_tables
| [   18.732707][   T12] Tainted: [W]=WARN
[   18.732796][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.732946][   T12] Workqueue: netns cleanup_net
[   18.733069][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.733227][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.733657][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.733805][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee90040 RCX: 1ff4000000018eed
[   18.733979][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee900fc
[   18.734160][   T12] RBP: ff110000093e1000 R08: 1fe2200001dd2021 R09: ff11000001aed1d0
[   18.734337][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.734511][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.734696][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.734898][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.735050][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.735236][   T12] PKRU: 55555554
[   18.735324][   T12] Call Trace:
[   18.735413][   T12]  <TASK>
[   18.735474][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.735628][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.735772][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.735894][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.736016][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.736136][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.736255][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.736381][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.736501][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.736624][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.736744][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.736861][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.736980][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.737104][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.737219][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.737336][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.737455][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.737576][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.737701][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.737823][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.737946][   T12]  kthread (kernel/kthread.c:436)
[   18.738036][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.738190][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.738306][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.738423][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.738572][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.738688][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.738812][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.741032][   T12] ------------[ cut here ]------------
| [   18.741162][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.741390][   T12] Modules linked in: nf_tables
| [   18.741779][   T12] Tainted: [W]=WARN
[   18.741867][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.742013][   T12] Workqueue: netns cleanup_net
[   18.742304][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.742457][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.742879][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.743025][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd18040 RCX: 1ff4000000018eed
[   18.743205][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd180fc
[   18.743379][   T12] RBP: ff1100000a734000 R08: 1fe22000017a3021 R09: ff11000001aed1d0
[   18.743560][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.743732][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.743904][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.744109][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.744260][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.744435][   T12] PKRU: 55555554
[   18.744521][   T12] Call Trace:
[   18.744612][   T12]  <TASK>
[   18.744673][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.744821][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.744965][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.745082][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.745208][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.745325][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.745442][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.745566][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.745685][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.745802][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.745921][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.746038][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.746161][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.746279][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.746394][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.746514][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.746640][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.746757][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.746878][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.746999][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.747124][   T12]  kthread (kernel/kthread.c:436)
[   18.747212][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.747356][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.747473][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.747602][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.747754][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.747871][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.747990][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.749927][   T12] ------------[ cut here ]------------
| [   18.750042][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.750273][   T12] Modules linked in: nf_tables
| [   18.750668][   T12] Tainted: [W]=WARN
[   18.750758][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.750905][   T12] Workqueue: netns cleanup_net
[   18.751026][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.751185][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.751601][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.751748][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd19c40 RCX: 1ff4000000018eed
[   18.751919][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd19cfc
[   18.752104][   T12] RBP: ff11000009a9c000 R08: 1fe22000017a33a1 R09: ff11000001aed1d0
[   18.752276][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.752449][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.752628][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.752833][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.752978][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.753164][   T12] PKRU: 55555554
[   18.753250][   T12] Call Trace:
[   18.753337][   T12]  <TASK>
[   18.753398][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.753546][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.753697][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.753815][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.753933][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.754049][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.754171][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.754292][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.754410][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.754526][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.754652][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.754769][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.754885][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.755004][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.755129][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.755247][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.755368][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.755486][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.755613][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.755735][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.755851][   T12]  kthread (kernel/kthread.c:436)
[   18.755938][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.756090][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.756212][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.756329][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.756480][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.756601][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.756718][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.758649][   T12] ------------[ cut here ]------------
| [   18.758764][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.758991][   T12] Modules linked in: nf_tables
| [   18.759376][   T12] Tainted: [W]=WARN
[   18.759466][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.759616][   T12] Workqueue: netns cleanup_net
[   18.759734][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.759885][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.760310][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.760478][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd18ac0 RCX: 1ff4000000018eed
[   18.760657][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd18b7c
[   18.760835][   T12] RBP: ff1100000a404000 R08: 1fe22000017a3171 R09: ff11000001aed1d0
[   18.761009][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.761192][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.761373][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.761582][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.761727][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.761906][   T12] PKRU: 55555554
[   18.761993][   T12] Call Trace:
[   18.762081][   T12]  <TASK>
[   18.762148][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.762299][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.762443][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.762563][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.762686][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.762804][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.762920][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.763039][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.763163][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.763279][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.763399][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.763518][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.763638][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.763758][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.763874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.763992][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.764120][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.764236][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.764356][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.764477][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.764599][   T12]  kthread (kernel/kthread.c:436)
[   18.764688][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.764833][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.764952][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.765068][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.765219][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.765341][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.765460][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.767589][   T12] ------------[ cut here ]------------
| [   18.767705][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.767935][   T12] Modules linked in: nf_tables
| [   18.768327][   T12] Tainted: [W]=WARN
[   18.768414][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.768568][   T12] Workqueue: netns cleanup_net
[   18.768688][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.768843][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.769265][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.769412][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd18c80 RCX: 1ff4000000018eed
[   18.769592][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd18d3c
[   18.769766][   T12] RBP: ff1100000982c000 R08: 1fe22000017a31a9 R09: ff11000001aed1d0
[   18.769938][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.770116][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.770291][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.770495][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.770643][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.770821][   T12] PKRU: 55555554
[   18.770907][   T12] Call Trace:
[   18.770994][   T12]  <TASK>
[   18.771054][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.771211][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.771357][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.771474][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.771597][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.771714][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.771833][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.771951][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.772070][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.772191][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.772310][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.772427][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.772543][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.772665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.772781][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.772900][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.773021][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.773145][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.773267][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.773388][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.773505][   T12]  kthread (kernel/kthread.c:436)
[   18.773597][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.773742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.773859][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.773976][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.774129][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.774246][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.774368][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.776490][   T12] ------------[ cut here ]------------
| [   18.776611][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.776844][   T12] Modules linked in: nf_tables
| [   18.777237][   T12] Tainted: [W]=WARN
[   18.777328][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.777471][   T12] Workqueue: netns cleanup_net
[   18.777596][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.777750][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.778166][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.778311][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc76740 RCX: 1ff4000000018eed
[   18.778485][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc767fc
[   18.778662][   T12] RBP: ff11000001f71000 R08: 1fe220000178ed01 R09: ff11000001aed1d0
[   18.778835][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.779011][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.779193][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.779397][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.779541][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.779721][   T12] PKRU: 55555554
[   18.779807][   T12] Call Trace:
[   18.779893][   T12]  <TASK>
[   18.779954][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.780109][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.780255][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.780372][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.780489][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.780610][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.780727][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.780845][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.780964][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.781082][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.781206][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.781322][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.781437][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.781558][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.781673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.781789][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.781912][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.782029][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.782157][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.782278][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.782394][   T12]  kthread (kernel/kthread.c:436)
[   18.782482][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.782633][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.782752][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.782869][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.783015][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.783136][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.783254][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.785534][   T12] ------------[ cut here ]------------
| [   18.785659][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.785892][   T12] Modules linked in: nf_tables
| [   18.786291][   T12] Tainted: [W]=WARN
[   18.786380][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.786526][   T12] Workqueue: netns cleanup_net
[   18.786654][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.786807][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.787235][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.787387][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0cf8c0 RCX: 1ff4000000018eed
[   18.787567][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0cf97c
[   18.787745][   T12] RBP: ff1100000954c000 R08: 1fe2200001a19f31 R09: ff11000001aed1d0
[   18.787920][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.788104][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.788280][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.788485][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.788645][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.788821][   T12] PKRU: 55555554
[   18.788908][   T12] Call Trace:
[   18.788997][   T12]  <TASK>
[   18.789058][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.789216][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.789362][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.789481][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.789607][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.789725][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.789845][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.789970][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.790102][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.790219][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.790342][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.790461][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.790583][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.790703][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.790822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.790942][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.791064][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.791188][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.791312][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.791435][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.791560][   T12]  kthread (kernel/kthread.c:436)
[   18.791651][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.791797][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.791918][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.792038][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.792193][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.792314][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.792433][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.794690][   T12] ------------[ cut here ]------------
| [   18.794811][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.795040][   T12] Modules linked in: nf_tables
| [   18.795863][   T12] Tainted: [W]=WARN
[   18.795952][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.796150][   T12] Workqueue: netns cleanup_net
[   18.796274][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.796427][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.796856][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.797005][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028a200 RCX: 1ff4000000018eed
[   18.797230][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028a2bc
[   18.797453][   T12] RBP: ff11000008d1c000 R08: 1fe2200002051459 R09: ff11000001aed1d0
[   18.797638][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.797814][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.797992][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.798250][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.798398][   T12] CR2: 000055855f154910 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   18.798582][   T12] PKRU: 55555554
[   18.798671][   T12] Call Trace:
[   18.798761][   T12]  <TASK>
[   18.798823][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.798977][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.799178][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.799299][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.799420][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.799537][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.799662][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.799783][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.799905][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.800028][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.800199][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.800319][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.800438][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.800566][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.800685][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.800806][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.800929][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.801049][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.801220][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.801344][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.801463][   T12]  kthread (kernel/kthread.c:436)
[   18.801552][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.801707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.801827][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.801947][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.802145][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.802264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.802383][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.804488][   T12] ------------[ cut here ]------------
| [   18.804627][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.804861][   T12] Modules linked in: nf_tables
| [   18.805268][   T12] Tainted: [W]=WARN
[   18.805359][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.805508][   T12] Workqueue: netns cleanup_net
[   18.805663][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.805819][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.806250][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.806406][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028a3c0 RCX: 1ff4000000018eed
[   18.806589][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028a47c
[   18.806766][   T12] RBP: ff11000009559000 R08: 1fe2200002051491 R09: ff11000001aed1d0
[   18.806944][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.807141][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.807378][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.807650][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.807800][   T12] CR2: 00007f4c6da44574 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   18.807980][   T12] PKRU: 55555554
[   18.808070][   T12] Call Trace:
[   18.808165][   T12]  <TASK>
[   18.808229][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.808389][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.808547][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.808675][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.808794][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.808913][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.809033][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.809160][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.809281][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.809400][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.809522][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.809655][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.809777][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.809897][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.810023][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.810206][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.810369][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.810488][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.810617][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.810742][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.810860][   T12]  kthread (kernel/kthread.c:436)
[   18.810950][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.811103][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.811222][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.811342][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.811492][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.811616][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.811736][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.813938][   T12] ------------[ cut here ]------------
| [   18.814058][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.814299][   T12] Modules linked in: nf_tables
| [   18.814695][   T12] Tainted: [W]=WARN
[   18.814785][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.814934][   T12] Workqueue: netns cleanup_net
[   18.815058][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.815219][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.815654][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.815803][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028b000 RCX: 1ff4000000018eed
[   18.815980][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028b0bc
[   18.816161][   T12] RBP: ff11000009951000 R08: 1fe2200002051619 R09: ff11000001aed1d0
[   18.816340][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.816516][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.816699][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.816904][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.817053][   T12] CR2: 00007f4c6da44574 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   18.817239][   T12] PKRU: 55555554
[   18.817327][   T12] Call Trace:
[   18.817416][   T12]  <TASK>
[   18.817478][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.817635][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.817784][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.817904][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.818031][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.818157][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.818276][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.818397][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.818518][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.818643][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.818763][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.818887][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.819007][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.819132][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.819255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.819376][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.819497][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.819621][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.819743][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.819869][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.819988][   T12]  kthread (kernel/kthread.c:436)
[   18.820078][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.820231][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.820350][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.820469][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.820621][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.820741][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.820860][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.831734][   T12] ------------[ cut here ]------------
| [   18.831865][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.832105][   T12] Modules linked in: nf_tables
| [   18.832494][   T12] Tainted: [W]=WARN
[   18.832591][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.832739][   T12] Workqueue: netns cleanup_net
[   18.832863][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.833022][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.833490][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.833651][   T12] RAX: 00000000ffffffa6 RBX: ff11000008d44200 RCX: 1ff4000000018eed
[   18.833826][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d442bc
[   18.833999][   T12] RBP: ff1100000f8b4000 R08: 1fe22000011a8859 R09: ff11000001aed1d0
[   18.834221][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.834402][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.834585][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.834789][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.834937][   T12] CR2: 00007f4c6da44574 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   18.835167][   T12] PKRU: 55555554
[   18.835256][   T12] Call Trace:
[   18.835344][   T12]  <TASK>
[   18.835406][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.835562][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.835709][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.835828][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.835946][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.836074][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.836243][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.836363][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.836487][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.836612][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.836732][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.836851][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.836969][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.837091][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.837255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.837374][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.837500][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.837625][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.837747][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.837868][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.837985][   T12]  kthread (kernel/kthread.c:436)
[   18.838074][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.838289][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.838460][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.838651][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.838878][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.839059][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.839321][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.841763][   T12] ------------[ cut here ]------------
| [   18.841882][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.842120][   T12] Modules linked in: nf_tables
| [   18.842509][   T12] Tainted: [W]=WARN
[   18.842604][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.842750][   T12] Workqueue: netns cleanup_net
[   18.842871][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.843028][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.843455][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.843610][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8a4040 RCX: 1ff4000000018eed
[   18.843785][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8a40fc
[   18.843959][   T12] RBP: ff1100000f959000 R08: 1fe2200001514821 R09: ff11000001aed1d0
[   18.844138][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.844311][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.844485][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.844693][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.844846][   T12] CR2: 00007f4c6da44574 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   18.845021][   T12] PKRU: 55555554
[   18.845115][   T12] Call Trace:
[   18.845202][   T12]  <TASK>
[   18.845263][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.845412][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.845562][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.845680][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.845800][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.845915][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.846032][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.846156][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.846278][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.846395][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.846515][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.846641][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.846755][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.846874][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.846989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.847110][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.847230][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.847347][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.847468][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.847595][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.847711][   T12]  kthread (kernel/kthread.c:436)
[   18.847798][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.847943][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.848064][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.848187][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.848333][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.848452][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.848579][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.850529][   T12] ------------[ cut here ]------------
| [   18.850652][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.850879][   T12] Modules linked in: nf_tables
| [   18.851695][   T12] Tainted: [W]=WARN
[   18.851786][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.851940][   T12] Workqueue: netns cleanup_net
[   18.852059][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.852260][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.852684][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.852831][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf28c80 RCX: 1ff4000000018eed
[   18.853005][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf28d3c
[   18.853225][   T12] RBP: ff1100000f979000 R08: 1fe22000019e51a9 R09: ff11000001aed1d0
[   18.853444][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.853622][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.853796][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.853999][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.854192][   T12] CR2: 00007f4c6da44574 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   18.854366][   T12] PKRU: 55555554
[   18.854453][   T12] Call Trace:
[   18.854539][   T12]  <TASK>
[   18.854605][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.854751][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.854899][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.855017][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.855179][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.855300][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.855418][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.855569][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.855688][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.855810][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.855931][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.856048][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.856211][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.856327][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.856449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.856578][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.856700][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.856818][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.856939][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.857061][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.857216][   T12]  kthread (kernel/kthread.c:436)
[   18.857305][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.857448][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.857568][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.857684][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.857829][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.857946][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.858062][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.861115][   T12] ------------[ cut here ]------------
| [   18.861250][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.861487][   T12] Modules linked in: nf_tables
| [   18.861886][   T12] Tainted: [W]=WARN
[   18.861974][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.862132][   T12] Workqueue: netns cleanup_net
[   18.862256][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.862423][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.862841][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.862987][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf28900 RCX: 1ff4000000018eed
[   18.863166][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf289bc
[   18.863340][   T12] RBP: ff1100000f909000 R08: 1fe22000019e5139 R09: ff11000001aed1d0
[   18.863513][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.863693][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.863867][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.864076][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.864228][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.864402][   T12] PKRU: 55555554
[   18.864487][   T12] Call Trace:
[   18.864581][   T12]  <TASK>
[   18.864642][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.864792][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.864936][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.865053][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.865180][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.865296][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.865412][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.865530][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.865659][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.865775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.865894][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.866011][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.866136][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.866254][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.866371][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.866489][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.866617][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.866732][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.866853][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.866974][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.867100][   T12]  kthread (kernel/kthread.c:436)
[   18.867189][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.867335][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.867466][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.867590][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.867735][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.867851][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.867970][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.881307][   T12] ------------[ cut here ]------------
| [   18.881446][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.881708][   T12] Modules linked in: nf_tables
| [   18.882185][   T12] Tainted: [W]=WARN
[   18.882279][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.882433][   T12] Workqueue: netns cleanup_net
[   18.882566][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.882728][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.883223][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   18.883380][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf291c0 RCX: 1ff4000000018eae
[   18.883567][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf2927c
[   18.883753][   T12] RBP: ff1100000b7d4000 R08: 1fe22000019e5251 R09: ff11000001aed1d0
[   18.883986][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   18.884223][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.884409][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.884628][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.884784][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.884969][   T12] PKRU: 55555554
[   18.885077][   T12] Call Trace:
[   18.885222][   T12]  <TASK>
[   18.885287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.885412][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.885536][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   18.885669][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   18.885793][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.885918][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   18.886071][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.886275][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   18.886403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.886526][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.886657][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.886781][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   18.886904][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   18.887058][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.887247][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   18.887344][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.887469][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.887603][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.887730][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.887853][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.887978][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.888154][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.888281][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.888403][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.888531][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.888662][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.888786][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.888911][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.889034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.889169][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.889299][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.889422][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.889550][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.889683][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.889808][   T12]  kthread (kernel/kthread.c:436)
[   18.889902][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.890056][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.890187][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.890311][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.890493][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.890626][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.890750][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.894334][   T12] ------------[ cut here ]------------
| [   18.894472][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.894727][   T12] Modules linked in: nf_tables
| [   18.895153][   T12] Tainted: [W]=WARN
[   18.895248][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.895411][   T12] Workqueue: netns cleanup_net
[   18.895542][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.895709][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.896376][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.896537][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c80f8c0 RCX: 1ff4000000018ea8
[   18.896731][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c80f97c
[   18.896919][   T12] RBP: ff1100000b7d4000 R08: 1fe2200001901f31 R09: ff11000001aed1d0
[   18.897172][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   18.897412][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.897608][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.897830][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.897989][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.898246][   T12] PKRU: 55555554
[   18.898341][   T12] Call Trace:
[   18.898434][   T12]  <TASK>
[   18.898502][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.898634][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.898731][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.898855][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.898985][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.899165][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   18.899292][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.899422][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.899552][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.899685][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.899812][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   18.899909][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.900005][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.900197][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.900326][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.900454][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.900590][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.900717][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.900847][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.900978][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.901154][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.901284][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.901412][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.901539][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.901672][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.901798][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.901928][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.902059][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.902251][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.902382][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.902514][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.902649][   T12]  kthread (kernel/kthread.c:436)
[   18.902744][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.902907][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.903034][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.903213][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.903371][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.903498][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.903631][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.905323][   T12] ------------[ cut here ]------------
| [   18.905459][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.905711][   T12] Modules linked in: nf_tables
| [   18.906147][   T12] Tainted: [W]=WARN
[   18.906243][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.906402][   T12] Workqueue: netns cleanup_net
[   18.906536][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.906705][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.907169][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.907330][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c80f540 RCX: 1ff4000000018ea8
[   18.907521][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c80f5fc
[   18.907714][   T12] RBP: ff1100000b7d4000 R08: 1fe2200001901ec1 R09: ff11000001aed1d0
[   18.907905][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   18.908105][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.908297][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.908518][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.908682][   T12] CR2: 000055854ee36d5c CR3: 0000000012f8d006 CR4: 0000000000771ef0
[   18.908874][   T12] PKRU: 55555554
[   18.908970][   T12] Call Trace:
[   18.909064][   T12]  <TASK>
[   18.909139][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.909270][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.909372][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.909500][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.909634][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.909775][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.909904][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.910033][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.910170][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.910301][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.910430][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.910564][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   18.910664][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.910761][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.910890][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.911020][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.911157][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.911286][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.911414][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.911544][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.911680][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.911805][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.911936][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.912064][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.912199][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.912329][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.912467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.912602][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.912734][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.912861][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.912993][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.913134][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.913261][   T12]  kthread (kernel/kthread.c:436)
[   18.913358][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.913529][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.913662][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.913791][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.913951][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.914079][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.914214][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.916764][   T12] ------------[ cut here ]------------
| [   18.916908][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.917160][   T12] Modules linked in: nf_tables
| [   18.917596][   T12] Tainted: [W]=WARN
[   18.917693][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.917848][   T12] Workqueue: netns cleanup_net
[   18.917975][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.918139][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.918601][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   18.918757][   T12] RAX: 00000000ffffffa6 RBX: ff1100000947c040 RCX: 1ff4000000018eae
[   18.918941][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947c0fc
[   18.919145][   T12] RBP: ff110000096c4000 R08: 1fe220000128f821 R09: ff11000001aed1d0
[   18.919328][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   18.919512][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   18.919710][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.919932][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.920089][   T12] CR2: 000055854ee36d5c CR3: 0000000012f8d006 CR4: 0000000000771ef0
[   18.920278][   T12] PKRU: 55555554
[   18.920369][   T12] Call Trace:
[   18.920461][   T12]  <TASK>
[   18.920527][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.920654][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.920780][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   18.920906][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   18.921031][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   18.921190][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.921314][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.921439][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.921570][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.921694][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.921819][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   18.921944][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   18.922104][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.922229][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.922353][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.922478][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.922607][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   18.922705][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.922832][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.922957][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.923083][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.923214][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.923341][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.923467][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.923594][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.923721][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.923850][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.923979][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.924109][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.924234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.924362][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.924490][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.924620][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.924749][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.925038][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.925169][   T12]  kthread (kernel/kthread.c:436)
[   18.925264][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.925419][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.925543][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.925673][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.925828][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.925952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.926077][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.928774][   T12] ------------[ cut here ]------------
| [   18.928904][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.929161][   T12] Modules linked in: nf_tables
| [   18.929587][   T12] Tainted: [W]=WARN
[   18.929684][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.929844][   T12] Workqueue: netns cleanup_net
[   18.929979][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.930151][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.930611][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.930774][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d092200 RCX: 1ff4000000018ea8
[   18.930966][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0922bc
[   18.931179][   T12] RBP: ff110000096c4000 R08: 1fe2200001a12459 R09: ff11000001aed1d0
[   18.931369][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   18.931564][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.931757][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.931982][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.932147][   T12] CR2: 000055854ee36d5c CR3: 0000000012f8d006 CR4: 0000000000771ef0
[   18.932339][   T12] PKRU: 55555554
[   18.932434][   T12] Call Trace:
[   18.932529][   T12]  <TASK>
[   18.932600][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.932729][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.932827][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.932955][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.933086][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.933220][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   18.933348][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.933476][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.933609][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.933736][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.933866][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.933995][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.934129][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.934258][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   18.934355][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.934451][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.934584][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.934715][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.934842][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.934970][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.935106][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.935236][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.935363][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.935493][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.935625][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.935751][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.935878][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.936006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.936140][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.936272][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.936398][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.936531][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.936678][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.936804][   T12]  kthread (kernel/kthread.c:436)
[   18.936900][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.937060][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.937196][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.937324][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.937484][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.937618][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.937746][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.939289][   T12] ------------[ cut here ]------------
| [   18.939414][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.939667][   T12] Modules linked in: nf_tables
| [   18.940083][   T12] Tainted: [W]=WARN
[   18.940185][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.940346][   T12] Workqueue: netns cleanup_net
[   18.940478][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.940647][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.941106][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   18.941268][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dfd71c0 RCX: 1ff4000000018ea8
[   18.941460][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dfd727c
[   18.941655][   T12] RBP: ff110000096c4000 R08: 1fe2200001bfae51 R09: ff11000001aed1d0
[   18.941844][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   18.942039][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.942234][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.942459][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.942622][   T12] CR2: 000055854ee36d5c CR3: 0000000012f8d006 CR4: 0000000000771ef0
[   18.942813][   T12] PKRU: 55555554
[   18.942908][   T12] Call Trace:
[   18.943003][   T12]  <TASK>
[   18.943068][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.943203][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.943301][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.943427][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   18.943560][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   18.943689][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.943819][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.943946][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.944075][   T12]  netif_change_flags (net/core/dev.c:9820)
[   18.944210][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   18.944338][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.944466][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   18.944568][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   18.944665][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.944795][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   18.944925][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.945053][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.945193][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.945322][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.945453][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.945586][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.945718][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.945848][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.945975][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.946110][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.946238][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.946367][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.946502][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.946633][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.946766][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.946898][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.947025][   T12]  kthread (kernel/kthread.c:436)
[   18.947611][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.947770][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.947898][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.948027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.948240][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.948369][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.948514][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.951812][   T12] ------------[ cut here ]------------
| [   18.951962][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.952295][   T12] Modules linked in: nf_tables
| [   18.952712][   T12] Tainted: [W]=WARN
[   18.952806][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.952958][   T12] Workqueue: netns cleanup_net
[   18.953085][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.953255][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.953691][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.953844][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd19380 RCX: 1ff4000000018eaf
[   18.954026][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd1943c
[   18.954228][   T12] RBP: ff1100000a7d4000 R08: 1fe22000017a3289 R09: ff11000001aed1d0
[   18.954415][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.954603][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000257c000
[   18.954785][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   18.955006][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.955166][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.955352][   T12] PKRU: 55555554
[   18.955443][   T12] Call Trace:
[   18.955534][   T12]  <TASK>
[   18.955604][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.955728][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.955821][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.955944][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.956067][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.956226][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.956350][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.956474][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.956643][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.956765][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.956917][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.957040][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.957183][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.957307][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.957429][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.957552][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.957679][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.957808][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.957932][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.958057][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.958186][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.958306][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.958430][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.958551][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.958679][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.958803][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.958926][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.959054][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.959189][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.959311][   T12]  kthread (kernel/kthread.c:436)
[   18.959403][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.959559][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.959684][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.959807][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.959960][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.960081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.960208][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.961968][   T12] ------------[ cut here ]------------
| [   18.962110][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.962351][   T12] Modules linked in: nf_tables
| [   18.962777][   T12] Tainted: [W]=WARN
[   18.962873][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.963027][   T12] Workqueue: netns cleanup_net
[   18.963227][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.963390][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.963872][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.964029][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf60580 RCX: 1ff4000000018eaf
[   18.964288][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf6063c
[   18.964473][   T12] RBP: ff1100000257c000 R08: 1fe22000017ec0c9 R09: ff11000001aed1d0
[   18.964663][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.964847][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b7d4000
[   18.965038][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.965262][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.965417][   T12] CR2: 00007f40505c5668 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   18.965610][   T12] PKRU: 55555554
[   18.965702][   T12] Call Trace:
[   18.965794][   T12]  <TASK>
[   18.965860][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.965985][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.966116][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.966211][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.966337][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.966462][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.966619][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.966743][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.966868][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.967026][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.967162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.967315][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.967447][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.967579][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.967705][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.967829][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.967953][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.968079][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.968209][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.968332][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.968457][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.968586][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.968708][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.968833][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.968959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.969090][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.969221][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.969347][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.969473][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.969604][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.969727][   T12]  kthread (kernel/kthread.c:436)
[   18.969819][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.969970][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.970098][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.970221][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.970387][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.970509][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.970635][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.972133][   T12] ------------[ cut here ]------------
| [   18.972252][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.972495][   T12] Modules linked in: nf_tables
| [   18.972900][   T12] Tainted: [W]=WARN
[   18.972992][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.973153][   T12] Workqueue: netns cleanup_net
[   18.973285][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.973450][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.973892][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.974050][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf60900 RCX: 1ff4000000018eaf
[   18.974241][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf609bc
[   18.974431][   T12] RBP: ff1100000b7d4000 R08: 1fe22000017ec139 R09: ff11000001aed1d0
[   18.974622][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.974804][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b7d1000
[   18.974989][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.975209][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.975364][   T12] CR2: 00007f40505c5668 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   18.975548][   T12] PKRU: 55555554
[   18.975645][   T12] Call Trace:
[   18.975735][   T12]  <TASK>
[   18.975800][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.975923][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.976046][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.976144][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.976270][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.976392][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.976543][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.976669][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.976794][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.976950][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.977072][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.977238][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.977361][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.977488][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.977618][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.977741][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.977864][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.977989][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.978122][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.978244][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.978369][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.978493][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.978620][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.978744][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.978869][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.978992][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.979126][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.979248][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.979377][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.979504][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.979633][   T12]  kthread (kernel/kthread.c:436)
[   18.979729][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.979896][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.980021][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.980151][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.980305][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.980429][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.980553][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.982386][   T12] ------------[ cut here ]------------
| [   18.982507][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   18.982752][   T12] Modules linked in: nf_tables
| [   18.983678][   T12] Tainted: [W]=WARN
[   18.983772][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.983924][   T12] Workqueue: netns cleanup_net
[   18.984051][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.984268][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.984710][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.984863][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf61380 RCX: 1ff4000000018eaf
[   18.985044][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf6143c
[   18.985274][   T12] RBP: ff1100000b7d1000 R08: 1fe22000017ec289 R09: ff11000001aed1d0
[   18.985461][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.985650][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb91000
[   18.985881][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   18.986146][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.986299][   T12] CR2: 00007f40505c5668 CR3: 000000007bd4d004 CR4: 0000000000771ef0
[   18.986483][   T12] PKRU: 55555554
[   18.986582][   T12] Call Trace:
[   18.986673][   T12]  <TASK>
[   18.986737][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.986860][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.986982][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.987076][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.987249][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.987372][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.987523][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.987650][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.987773][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.987927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.988048][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.988249][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.988371][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.988500][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.988627][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.988750][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.988871][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.988995][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.989170][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.989291][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.989421][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.989548][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.989676][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.989799][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.989920][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.990044][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.990218][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.990341][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.990468][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.990598][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.990720][   T12]  kthread (kernel/kthread.c:436)
[   18.990811][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.990963][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.991090][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.991268][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.991422][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.991545][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.991673][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.994855][   T12] ------------[ cut here ]------------
| [   18.994986][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.995242][   T12] Modules linked in: nf_tables
| [   18.995651][   T12] Tainted: [W]=WARN
[   18.995743][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.995897][   T12] Workqueue: netns cleanup_net
[   18.996023][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.996189][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.996635][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.996790][   T12] RAX: 00000000ffffffa6 RBX: ff110000120ba580 RCX: 1ff4000000018eaf
[   18.996973][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ba63c
[   18.997163][   T12] RBP: ff1100000fb91000 R08: 1fe22000024174c9 R09: ff11000001aed1d0
[   18.997348][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   18.997531][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009334000
[   18.997726][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   18.997943][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.998104][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   18.998289][   T12] PKRU: 55555554
[   18.998380][   T12] Call Trace:
[   18.998472][   T12]  <TASK>
[   18.998536][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.998663][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.998786][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.998881][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.999006][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.999135][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.999288][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.999410][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.999535][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.999693][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.999816][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.999969][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.000095][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.000227][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.000351][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.000494][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.000624][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.000749][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.000874][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.000995][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.001129][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.001253][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.001375][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.001500][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.001629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.001754][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.001880][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.002003][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.002138][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.002263][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.002386][   T12]  kthread (kernel/kthread.c:436)
[   19.002480][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.002638][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.002760][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.002884][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.003037][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.003179][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.003305][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.011537][   T12] ------------[ cut here ]------------
| [   19.011671][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.011913][   T12] Modules linked in: nf_tables
| [   19.012321][   T12] Tainted: [W]=WARN
[   19.012415][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.012573][   T12] Workqueue: netns cleanup_net
[   19.012704][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.012866][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.013315][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.013471][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8a5e00 RCX: 1ff4000000018eaf
[   19.013660][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8a5ebc
[   19.013844][   T12] RBP: ff11000009334000 R08: 1fe2200001514bd9 R09: ff11000001aed1d0
[   19.014028][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.014217][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b431000
[   19.014403][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.014626][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.014780][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.014967][   T12] PKRU: 55555554
[   19.015058][   T12] Call Trace:
[   19.015156][   T12]  <TASK>
[   19.015221][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.015342][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.015465][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.015563][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.015690][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.015812][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.015965][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.016086][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   19.016215][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.016370][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.016493][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.016650][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.016773][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.016905][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.017029][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.017162][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.017285][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.017411][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.017535][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.017666][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.017792][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.017913][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.018034][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.018162][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.018287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.018414][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.018540][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.018668][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.018797][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.018925][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.019047][   T12]  kthread (kernel/kthread.c:436)
[   19.019146][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.019301][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.019424][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.019547][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.019706][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.019828][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.019951][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.021565][   T12] ------------[ cut here ]------------
| [   19.021684][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.021926][   T12] Modules linked in: nf_tables
| [   19.022335][   T12] Tainted: [W]=WARN
[   19.022427][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.022585][   T12] Workqueue: netns cleanup_net
[   19.022713][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.022873][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.023321][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.023476][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8a5540 RCX: 1ff4000000018eaf
[   19.023668][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8a55fc
[   19.023856][   T12] RBP: ff1100000b431000 R08: 1fe2200001514ac1 R09: ff11000001aed1d0
[   19.024039][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.024227][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000096c4000
[   19.024412][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.024631][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.024786][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.024972][   T12] PKRU: 55555554
[   19.025064][   T12] Call Trace:
[   19.025161][   T12]  <TASK>
[   19.025224][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.025348][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.025470][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.025570][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.025695][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.025818][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.025971][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.026099][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   19.026224][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.026377][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.026500][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.026658][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.026789][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.026916][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.027040][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.027168][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.027294][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.027419][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.027547][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.027678][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.027819][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.027946][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.028069][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.028200][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.028323][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.028447][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.028580][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.028705][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.028834][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.028962][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.029087][   T12]  kthread (kernel/kthread.c:436)
[   19.029194][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.029348][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.029472][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.029600][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.029753][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.029877][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.030002][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.031499][   T12] ------------[ cut here ]------------
| [   19.031623][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.031861][   T12] Modules linked in: nf_tables
| [   19.032268][   T12] Tainted: [W]=WARN
[   19.032360][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.032512][   T12] Workqueue: netns cleanup_net
[   19.032644][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.032803][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.033250][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.033405][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd87000 RCX: 1ff4000000018eaf
[   19.033593][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd870bc
[   19.033774][   T12] RBP: ff110000096c4000 R08: 1fe2200001bb0e19 R09: ff11000001aed1d0
[   19.033956][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.034141][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000096c1000
[   19.034325][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.034540][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.034714][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.034900][   T12] PKRU: 55555554
[   19.034992][   T12] Call Trace:
[   19.035084][   T12]  <TASK>
[   19.035155][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.035279][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.035402][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.035496][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.035627][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.035752][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.035903][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.036030][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   19.036161][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.036316][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.036438][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.036595][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.036718][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.036845][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.036969][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.037099][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.037222][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.037345][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.037469][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.037598][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.037724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.037847][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.037971][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.038102][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.038224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.038348][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.038476][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.038611][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.038738][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.038865][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.038989][   T12]  kthread (kernel/kthread.c:436)
[   19.039082][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.039241][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.039368][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.039492][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.039650][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.039777][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.039901][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.041694][   T12] ------------[ cut here ]------------
| [   19.041813][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.042053][   T12] Modules linked in: nf_tables
| [   19.042465][   T12] Tainted: [W]=WARN
[   19.042560][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.042717][   T12] Workqueue: netns cleanup_net
[   19.042844][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.043003][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.043444][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.043602][   T12] RAX: 00000000ffffffa6 RBX: ff1100000947c3c0 RCX: 1ff4000000018eaf
[   19.043785][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947c47c
[   19.043968][   T12] RBP: ff110000096c1000 R08: 1fe220000128f891 R09: ff11000001aed1d0
[   19.044156][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.044337][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb04000
[   19.044522][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.044738][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.044890][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.045077][   T12] PKRU: 55555554
[   19.045174][   T12] Call Trace:
[   19.045265][   T12]  <TASK>
[   19.045330][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.045453][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.045582][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.045676][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.045800][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.045922][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.046073][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.046200][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   19.046325][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.046479][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.046608][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.046761][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.046882][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.047009][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.047139][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.047261][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.047383][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.047505][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.047635][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.047756][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.047881][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.048006][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.048133][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.048257][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.048380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.048504][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.048639][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.048760][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.048888][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.049016][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.049142][   T12]  kthread (kernel/kthread.c:436)
[   19.049235][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.049388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.049512][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.049640][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.049794][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.049915][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.050043][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.052216][   T12] ------------[ cut here ]------------
| [   19.052337][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.052583][   T12] Modules linked in: nf_tables
| [   19.052995][   T12] Tainted: [W]=WARN
[   19.053088][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.053481][   T12] Workqueue: netns cleanup_net
[   19.053613][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.053771][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.054309][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.054465][   T12] RAX: 00000000ffffffa6 RBX: ff110000101e5380 RCX: 1ff4000000018eaf
[   19.054652][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101e543c
[   19.054835][   T12] RBP: ff1100000fb04000 R08: 1fe220000203ca89 R09: ff11000001aed1d0
[   19.055019][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.055389][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000084e1000
[   19.055760][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.055976][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.056221][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.056407][   T12] PKRU: 55555554
[   19.056498][   T12] Call Trace:
[   19.056592][   T12]  <TASK>
[   19.056657][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.056780][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.056905][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.056999][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.057176][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.057331][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.057484][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.057611][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   19.057734][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.057889][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.058012][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.058224][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.058347][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.058483][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.058614][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.058737][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.058858][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.058984][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.059155][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.059279][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.059404][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.059612][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.059734][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.059936][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.060059][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.060232][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.060358][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.060485][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.060617][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.060744][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.060865][   T12]  kthread (kernel/kthread.c:436)
[   19.060957][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.061156][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.061361][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.061487][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.061642][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.061839][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.062040][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.070473][   T12] ------------[ cut here ]------------
| [   19.070655][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.070946][   T12] Modules linked in: nf_tables
| [   19.071465][   T12] Tainted: [W]=WARN
[   19.071613][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.071814][   T12] Workqueue: netns cleanup_net
[   19.071989][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.072209][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.072694][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.072894][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fd79c40 RCX: 1ff4000000018eaf
[   19.073138][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fd79cfc
[   19.073370][   T12] RBP: ff110000084e1000 R08: 1fe2200001faf3a1 R09: ff11000001aed1d0
[   19.073604][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.073833][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   19.074066][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   19.074339][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.074541][   T12] CR2: 000055854ee36d5c CR3: 0000000004ea9003 CR4: 0000000000771ef0
[   19.074785][   T12] PKRU: 55555554
[   19.074924][   T12] Call Trace:
[   19.075063][   T12]  <TASK>
[   19.075183][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.075353][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.075523][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.075668][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.075840][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.076009][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.076222][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.076394][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   19.076596][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.076802][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.076972][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.077184][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.077359][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.077533][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.077713][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.077886][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.078058][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.078240][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.078412][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.078585][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.078758][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.078928][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.079109][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.079283][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.079453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.079633][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.079812][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.079981][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.080172][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.080348][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.080517][   T12]  kthread (kernel/kthread.c:436)
[   19.080664][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.080863][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.081036][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.081220][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.081420][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.081596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.081768][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.084389][   T12] ------------[ cut here ]------------
| [   19.084550][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.084839][   T12] Modules linked in: nf_tables
| [   19.085535][   T12] Tainted: [W]=WARN
[   19.085676][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.085870][   T12] Workqueue: netns cleanup_net
[   19.086040][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.086254][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.086730][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.086925][   T12] RAX: 00000000ffffffa6 RBX: ff1100000947dc40 RCX: 1ff4000000018ed5
[   19.087161][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947dcfc
[   19.087382][   T12] RBP: ff1100000a7d4000 R08: 1fe220000128fba1 R09: ff11000001aed1d0
[   19.087616][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.087839][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.088064][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   19.088326][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.088525][   T12] CR2: 000055854ee36d5c CR3: 0000000004ea9003 CR4: 0000000000771ef0
[   19.088754][   T12] PKRU: 55555554
[   19.088888][   T12] Call Trace:
[   19.089023][   T12]  <TASK>
[   19.089144][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.089344][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.089537][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.089716][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.089888][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.090056][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.090236][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.090409][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.090584][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.090753][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.090918][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.091089][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.091279][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.091445][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.091621][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.091789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.091956][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.092139][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.092309][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.092482][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.092662][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.092830][   T12]  kthread (kernel/kthread.c:436)
[   19.092967][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.093174][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.093341][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.093513][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.093717][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.093884][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.094050][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.096705][   T12] ------------[ cut here ]------------
| [   19.096893][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.097612][   T12] Modules linked in: nf_tables
| [   19.098204][   T12] Tainted: [W]=WARN
[   19.098391][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.098639][   T12] Workqueue: netns cleanup_net
[   19.098857][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.099122][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.099650][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.099895][   T12] RAX: 00000000ffffffa6 RBX: ff1100000947c900 RCX: 1ff4000000018ed5
[   19.100177][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947c9bc
[   19.100448][   T12] RBP: ff1100000257c000 R08: 1fe220000128f939 R09: ff11000001aed1d0
[   19.100725][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.100993][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.101282][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   19.101592][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.101832][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.102119][   T12] PKRU: 55555554
[   19.102302][   T12] Call Trace:
[   19.102482][   T12]  <TASK>
[   19.102650][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.102920][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.103223][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.103458][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.103690][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.103857][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.104024][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.104203][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.104372][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.104544][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.104717][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.104916][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.105084][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.105262][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.105431][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.105603][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.105776][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.105950][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.106131][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.106304][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.106476][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.106651][   T12]  kthread (kernel/kthread.c:436)
[   19.106787][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.106986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.107173][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.107343][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.107540][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.107715][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.107882][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.110811][   T12] ------------[ cut here ]------------
| [   19.110980][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.111669][   T12] Modules linked in: nf_tables
| [   19.112264][   T12] Tainted: [W]=WARN
[   19.112447][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.112698][   T12] Workqueue: netns cleanup_net
[   19.112918][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.113183][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.113713][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.113958][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c814200 RCX: 1ff4000000018ed5
[   19.114271][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8142bc
[   19.114545][   T12] RBP: ff1100000b7d4000 R08: 1fe2200001902859 R09: ff11000001aed1d0
[   19.114823][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.115146][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.115418][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   19.115728][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.115973][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.116282][   T12] PKRU: 55555554
[   19.116466][   T12] Call Trace:
[   19.116652][   T12]  <TASK>
[   19.116811][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.117059][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.117311][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.117566][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.117833][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.118120][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.118380][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.118639][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.118806][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.118988][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.119176][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.119355][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.119531][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.119714][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.119891][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.120067][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.120259][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.120441][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.120626][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.120811][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.120995][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.121181][   T12]  kthread (kernel/kthread.c:436)
[   19.121325][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.121532][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.121720][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.121898][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.122119][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.122296][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.122474][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.125354][   T12] ------------[ cut here ]------------
| [   19.125519][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.125804][   T12] Modules linked in: nf_tables
| [   19.126307][   T12] Tainted: [W]=WARN
[   19.126452][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.126656][   T12] Workqueue: netns cleanup_net
[   19.126827][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.127032][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.127643][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.127943][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c815380 RCX: 1ff4000000018ed5
[   19.128278][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c81543c
[   19.128604][   T12] RBP: ff1100000b7d1000 R08: 1fe2200001902a89 R09: ff11000001aed1d0
[   19.128889][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.129205][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.129479][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   19.129801][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.130043][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.130330][   T12] PKRU: 55555554
[   19.130512][   T12] Call Trace:
[   19.130702][   T12]  <TASK>
[   19.130858][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.131117][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.131363][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.131586][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.131804][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.132018][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.132248][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.132460][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.132689][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.132903][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.133128][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.133349][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.133574][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.133785][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.133998][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.134222][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.134437][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.134660][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.134876][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.135151][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.135369][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.135636][   T12]  kthread (kernel/kthread.c:436)
[   19.135864][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.136184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.136445][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.136718][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.137011][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.137279][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.137445][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.140735][   T12] ------------[ cut here ]------------
| [   19.140899][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.141320][   T12] Modules linked in: nf_tables
| [   19.142030][   T12] Tainted: [W]=WARN
[   19.142240][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.142505][   T12] Workqueue: netns cleanup_net
[   19.142743][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.142996][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.143528][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.143780][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8a4c80 RCX: 1ff4000000018ed5
[   19.144048][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8a4d3c
[   19.144329][   T12] RBP: ff1100000fb91000 R08: 1fe22000015149a9 R09: ff11000001aed1d0
[   19.144612][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.144884][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.145168][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   19.145466][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.145710][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.145985][   T12] PKRU: 55555554
[   19.146183][   T12] Call Trace:
[   19.146367][   T12]  <TASK>
[   19.146523][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.146779][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.147019][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.147244][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.147461][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.147681][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.147893][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.148118][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.148330][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.148545][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.148763][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.148979][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.149209][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.149424][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.149644][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.149859][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.150075][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.150304][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.150514][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.150796][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.151060][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.151343][   T12]  kthread (kernel/kthread.c:436)
[   19.151580][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.151865][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.152137][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.152393][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.152701][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.152963][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.153179][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.155991][   T12] ------------[ cut here ]------------
| [   19.156616][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.156949][   T12] Modules linked in: nf_tables
| [   19.157533][   T12] Tainted: [W]=WARN
[   19.157725][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.157964][   T12] Workqueue: netns cleanup_net
[   19.158194][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.158444][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.158967][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.159221][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e4ce200 RCX: 1ff4000000018ed5
[   19.159488][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4ce2bc
[   19.159763][   T12] RBP: ff11000009334000 R08: 1fe2200001c99c59 R09: ff11000001aed1d0
[   19.160029][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.160313][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.160591][   T12] FS:  0000000000000000(0000) GS:ff110000c9fc7000(0000) knlGS:0000000000000000
[   19.160891][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.161145][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.161419][   T12] PKRU: 55555554
[   19.161606][   T12] Call Trace:
[   19.161785][   T12]  <TASK>
[   19.161937][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.162196][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.162436][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.162650][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.162871][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.163148][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.163363][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.163584][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.163797][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.164023][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.164285][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.164544][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.164826][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.165080][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.165350][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.165616][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.165865][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.166034][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.166215][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.166390][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.166570][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.166738][   T12]  kthread (kernel/kthread.c:436)
[   19.166876][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.167111][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.167278][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.167446][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.167656][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.167821][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.168017][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.177905][   T12] ------------[ cut here ]------------
| [   19.178042][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.178330][   T12] Modules linked in: nf_tables
| [   19.178724][   T12] Tainted: [W]=WARN
[   19.178814][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.178965][   T12] Workqueue: netns cleanup_net
[   19.179090][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.179341][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.179776][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.179928][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e4cf700 RCX: 1ff4000000018ed5
[   19.180176][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4cf7bc
[   19.180350][   T12] RBP: ff1100000b431000 R08: 1fe2200001c99ef9 R09: ff11000001aed1d0
[   19.180526][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.180706][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.180886][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.181140][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.181290][   T12] CR2: 000055854ee36d5c CR3: 000000000bd2b006 CR4: 0000000000771ef0
[   19.181469][   T12] PKRU: 55555554
[   19.181562][   T12] Call Trace:
[   19.181651][   T12]  <TASK>
[   19.181713][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.181866][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.182018][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.182181][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.182306][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.182427][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.182549][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.182673][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.182803][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.182925][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.183091][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.183260][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.183379][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.183496][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.183622][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.183739][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.183900][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.184024][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.184191][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.184358][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.184481][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.184605][   T12]  kthread (kernel/kthread.c:436)
[   19.184695][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.184844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.184963][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.185083][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.185253][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.185372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.185494][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.187993][   T12] ------------[ cut here ]------------
| [   19.188147][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.188379][   T12] Modules linked in: nf_tables
| [   19.188770][   T12] Tainted: [W]=WARN
[   19.188864][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.189013][   T12] Workqueue: netns cleanup_net
[   19.189142][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.189296][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.189717][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.189867][   T12] RAX: 00000000ffffffa6 RBX: ff110000102d2c80 RCX: 1ff4000000018ed5
[   19.190043][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102d2d3c
[   19.190221][   T12] RBP: ff110000096c4000 R08: 1fe220000205a5a9 R09: ff11000001aed1d0
[   19.190394][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.190573][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.190754][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.190960][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.191116][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.191294][   T12] PKRU: 55555554
[   19.191388][   T12] Call Trace:
[   19.191477][   T12]  <TASK>
[   19.191539][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.191694][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.191841][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.191960][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.192082][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.192209][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.192329][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.192448][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.192571][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.192693][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.192811][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.192933][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.193058][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.193182][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.193303][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.193421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.193543][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.193673][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.193789][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.193915][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.194038][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.194164][   T12]  kthread (kernel/kthread.c:436)
[   19.194254][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.194403][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.194520][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.194650][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.194799][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.194918][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.195038][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.197346][   T12] ------------[ cut here ]------------
| [   19.197463][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.197702][   T12] Modules linked in: nf_tables
| [   19.198089][   T12] Tainted: [W]=WARN
[   19.198649][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.198808][   T12] Workqueue: netns cleanup_net
[   19.198930][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.199083][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.199552][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.199705][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b4d6900 RCX: 1ff4000000018ed5
[   19.199885][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4d69bc
[   19.200060][   T12] RBP: ff110000096c1000 R08: 1fe220000169ad39 R09: ff11000001aed1d0
[   19.200283][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.200462][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.200645][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.200898][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.201049][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.201279][   T12] PKRU: 55555554
[   19.201368][   T12] Call Trace:
[   19.201457][   T12]  <TASK>
[   19.201519][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.201697][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.201846][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.201967][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.202091][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.202259][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.202375][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.202494][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.202618][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.202738][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.202854][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.202976][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.203143][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.203259][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.203379][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.203496][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.203619][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.203743][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.203861][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.203984][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.204155][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.204275][   T12]  kthread (kernel/kthread.c:436)
[   19.204366][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.204511][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.204635][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.204754][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.204907][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.205026][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.205195][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.208047][   T12] ------------[ cut here ]------------
| [   19.208615][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.208853][   T12] Modules linked in: nf_tables
| [   19.209346][   T12] Tainted: [W]=WARN
[   19.209438][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.209594][   T12] Workqueue: netns cleanup_net
[   19.209717][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.209869][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.210354][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.210504][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b4d71c0 RCX: 1ff4000000018ed5
[   19.210683][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4d727c
[   19.210859][   T12] RBP: ff1100000fb04000 R08: 1fe220000169ae51 R09: ff11000001aed1d0
[   19.211033][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.211282][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.211463][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.211672][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.211818][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.211993][   T12] PKRU: 55555554
[   19.212082][   T12] Call Trace:
[   19.212248][   T12]  <TASK>
[   19.212312][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.212463][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.212611][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.212729][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.212853][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.212972][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.213091][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.213258][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.213376][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.213495][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.213616][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.213737][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.213854][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.213969][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.214089][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.214254][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.214373][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.214494][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.214615][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.214738][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.214858][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.214978][   T12]  kthread (kernel/kthread.c:436)
[   19.215072][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.215266][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.215384][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.215502][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.215652][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.215770][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.215887][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.219907][   T12] ------------[ cut here ]------------
| [   19.220039][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.220979][   T12] Modules linked in: nf_tables
| [   19.221582][   T12] Tainted: [W]=WARN
[   19.221672][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.221819][   T12] Workqueue: netns cleanup_net
[   19.221942][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.222170][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.222594][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.222741][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b4d7e00 RCX: 1ff4000000018ed5
[   19.222916][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4d7ebc
[   19.223092][   T12] RBP: ff110000084e1000 R08: 1fe220000169afd9 R09: ff11000001aed1d0
[   19.223351][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.223526][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.223712][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.223915][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.224063][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.224286][   T12] PKRU: 55555554
[   19.224375][   T12] Call Trace:
[   19.224463][   T12]  <TASK>
[   19.224525][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.224679][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.224831][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.224949][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.225071][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.225238][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.225357][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.225475][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.225600][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.225721][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.225852][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.225978][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.226146][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.226263][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.226383][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.226501][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.226631][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.226753][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.226871][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.226994][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.227166][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.227283][   T12]  kthread (kernel/kthread.c:436)
[   19.227372][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.227516][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.227639][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.227758][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.227907][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.228029][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.228196][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.295132][   T12] ------------[ cut here ]------------
| [   19.295278][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.295507][   T12] Modules linked in: nf_tables
| [   19.295909][   T12] Tainted: [W]=WARN
[   19.295999][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.296159][   T12] Workqueue: netns cleanup_net
[   19.296281][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.296434][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.296867][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.297017][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd86580 RCX: 1ff4000000018eed
[   19.297198][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd8663c
[   19.297372][   T12] RBP: ff1100001023c000 R08: 1fe2200001bb0cc9 R09: ff11000001aed1d0
[   19.297582][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.297759][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.297937][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.298156][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.298305][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.298485][   T12] PKRU: 55555554
[   19.298580][   T12] Call Trace:
[   19.298669][   T12]  <TASK>
[   19.298731][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.298880][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.299024][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.299152][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.299271][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.299388][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.299522][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.299650][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.299768][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.299883][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.300002][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.300127][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.300246][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.300365][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.300493][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.300618][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.300740][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.300857][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.300978][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.301109][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.301224][   T12]  kthread (kernel/kthread.c:436)
[   19.301313][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.301458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.301591][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.301709][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.301860][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.301981][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.302105][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.304315][   T12] ------------[ cut here ]------------
| [   19.304436][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.304699][   T12] Modules linked in: nf_tables
| [   19.305085][   T12] Tainted: [W]=WARN
[   19.305494][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.305646][   T12] Workqueue: netns cleanup_net
[   19.305769][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.305920][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.306347][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.306496][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028ce40 RCX: 1ff4000000018eed
[   19.306680][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028cefc
[   19.306858][   T12] RBP: ff11000011b11000 R08: 1fe22000020519e1 R09: ff11000001aed1d0
[   19.307034][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.307215][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.307394][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.307600][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.307746][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.307966][   T12] PKRU: 55555554
[   19.308057][   T12] Call Trace:
[   19.308152][   T12]  <TASK>
[   19.308215][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.308369][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.308514][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.308639][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.308761][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.308880][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.308997][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.309121][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.309240][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.309356][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.309477][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.309603][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.309718][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.309837][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.309954][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.310071][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.310199][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.310317][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.310438][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.310566][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.310687][   T12]  kthread (kernel/kthread.c:436)
[   19.310775][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.310924][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.311041][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.311168][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.311315][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.311432][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.311555][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.313728][   T12] ------------[ cut here ]------------
| [   19.313846][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.314070][   T12] Modules linked in: nf_tables
| [   19.314462][   T12] Tainted: [W]=WARN
[   19.314550][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.314702][   T12] Workqueue: netns cleanup_net
[   19.314824][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.314980][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.315401][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.315550][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028d540 RCX: 1ff4000000018eed
[   19.315731][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028d5fc
[   19.315904][   T12] RBP: ff110000025d4000 R08: 1fe2200002051ac1 R09: ff11000001aed1d0
[   19.316078][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.316268][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.316451][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.316663][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.316808][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.316986][   T12] PKRU: 55555554
[   19.317073][   T12] Call Trace:
[   19.317166][   T12]  <TASK>
[   19.317229][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.317378][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.317524][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.317649][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.317767][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.317882][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.317998][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.318125][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.318248][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.318364][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.318501][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.318626][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.318742][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.318861][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.318977][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.319102][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.319222][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.319340][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.319611][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.319731][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.319849][   T12]  kthread (kernel/kthread.c:436)
[   19.319938][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.320087][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.320212][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.320330][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.320475][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.320597][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.320713][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.322660][   T12] ------------[ cut here ]------------
| [   19.322783][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.323012][   T12] Modules linked in: nf_tables
| [   19.323934][   T12] Tainted: [W]=WARN
[   19.324025][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.324255][   T12] Workqueue: netns cleanup_net
[   19.324378][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.324530][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.324954][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.325150][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028d8c0 RCX: 1ff4000000018eed
[   19.325372][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028d97c
[   19.325546][   T12] RBP: ff1100000ec0c000 R08: 1fe2200002051b31 R09: ff11000001aed1d0
[   19.325728][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.325902][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.326079][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.326332][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.326477][   T12] CR2: 000055854ee36d5c CR3: 000000007bd4d001 CR4: 0000000000771ef0
[   19.326659][   T12] PKRU: 55555554
[   19.326744][   T12] Call Trace:
[   19.326831][   T12]  <TASK>
[   19.326891][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.327042][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.327233][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.327350][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.327470][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.327598][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.327716][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.327834][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.327958][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.328079][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.328245][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.328363][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.328480][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.328603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.328720][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.328841][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.328961][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.329078][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.329247][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.329371][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.329487][   T12]  kthread (kernel/kthread.c:436)
[   19.329580][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.329728][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.329846][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.329966][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.330156][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.330272][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.330389][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.332645][   T12] ------------[ cut here ]------------
| [   19.332781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   19.333020][   T12] Modules linked in: nf_tables
| [   19.333419][   T12] Tainted: [W]=WARN
[   19.333507][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.333657][   T12] Workqueue: netns cleanup_net
[   19.333780][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.333931][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.334373][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.334526][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028dc40 RCX: 1ff4000000018eed
[   19.334712][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028dcfc
[   19.334888][   T12] RBP: ff11000009aec000 R08: 1fe2200002051ba1 R09: ff11000001aed1d0
[   19.335063][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.335245][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.335425][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   19.335634][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.335778][   T12] CR2: 000055855f151388 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   19.335952][   T12] PKRU: 55555554
[   19.336042][   T12] Call Trace:
[   19.336136][   T12]  <TASK>
[   19.336200][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.336350][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.336505][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.336630][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.336748][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.336864][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.336984][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.337112][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.337232][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.337350][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.337519][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.337665][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.337782][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.337901][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.338016][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.338147][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.338267][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.338384][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.338504][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.338640][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.338757][   T12]  kthread (kernel/kthread.c:436)
[   19.338846][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.339013][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.339137][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.339255][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.339403][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.339520][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.339645][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.342662][   T12] ------------[ cut here ]------------
| [   19.342796][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   19.343042][   T12] Modules linked in: nf_tables
| [   19.343439][   T12] Tainted: [W]=WARN
[   19.343527][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.343683][   T12] Workqueue: netns cleanup_net
[   19.343808][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.343962][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.344387][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.344535][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1a3540 RCX: 1ff4000000018eed
[   19.344800][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a35fc
[   19.344990][   T12] RBP: ff1100000ee44000 R08: 1fe2200001a346c1 R09: ff11000001aed1d0
[   19.345184][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.345357][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.345537][   T12] FS:  0000000000000000(0000) GS:ff110000c9f47000(0000) knlGS:0000000000000000
[   19.345746][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.345892][   T12] CR2: 000055855f151388 CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   19.346068][   T12] PKRU: 55555554
[   19.346164][   T12] Call Trace:
[   19.346253][   T12]  <TASK>
[   19.346320][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.346471][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.346628][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.346746][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.346876][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.347042][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.347224][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.347369][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.347488][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.347608][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.347728][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.347844][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.347961][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.348079][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.348201][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.348326][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.348450][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.348569][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.348691][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.348815][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.348931][   T12]  kthread (kernel/kthread.c:436)
[   19.349018][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.349173][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.349291][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.349408][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.349552][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.349675][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.349791][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.353880][   T12] ------------[ cut here ]------------
| [   19.354013][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.354490][   T12] Modules linked in: nf_tables
| [   19.354896][   T12] Tainted: [W]=WARN
[   19.354985][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.355137][   T12] Workqueue: netns cleanup_net
[   19.355261][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.355414][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.355837][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.355993][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1a3c40 RCX: 1ff4000000018eed
[   19.356176][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a3cfc
[   19.356352][   T12] RBP: ff1100000e691000 R08: 1fe2200001a347a1 R09: ff11000001aed1d0
[   19.356527][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.356705][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.356884][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.357091][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.357244][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.357417][   T12] PKRU: 55555554
[   19.357505][   T12] Call Trace:
[   19.357607][   T12]  <TASK>
[   19.357674][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.357840][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.357987][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.358110][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.358229][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.358346][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.358463][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.358588][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.358708][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.358826][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.358983][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.359160][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.359295][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.359414][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.359531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.359657][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.359780][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.359898][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.360018][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.360145][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.360266][   T12]  kthread (kernel/kthread.c:436)
[   19.360354][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.360500][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.360624][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.360745][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.360892][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.361009][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.361131][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.363463][   T12] ------------[ cut here ]------------
| [   19.363613][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.363844][   T12] Modules linked in: nf_tables
| [   19.365082][   T12] Tainted: [W]=WARN
[   19.365223][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.365370][   T12] Workqueue: netns cleanup_net
[   19.365492][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.365652][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.366079][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.366275][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1a3000 RCX: 1ff4000000018eed
[   19.366451][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a30bc
[   19.366636][   T12] RBP: ff1100000595c000 R08: 1fe2200001a34619 R09: ff11000001aed1d0
[   19.366809][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.366984][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.367209][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.367442][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.367607][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.367786][   T12] PKRU: 55555554
[   19.367874][   T12] Call Trace:
[   19.367962][   T12]  <TASK>
[   19.368023][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.368221][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.368417][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.368598][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.368773][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.368946][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.369170][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.369317][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.369437][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.369554][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.369683][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.369801][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.369916][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.370039][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.370163][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.370282][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.370404][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.370522][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.370649][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.370771][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.370888][   T12]  kthread (kernel/kthread.c:436)
[   19.370977][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.371135][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.371252][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.371371][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.371516][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.371642][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.371760][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.386461][   T12] ------------[ cut here ]------------
| [   19.386601][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.386839][   T12] Modules linked in: nf_tables
| [   19.387241][   T12] Tainted: [W]=WARN
[   19.387330][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.387477][   T12] Workqueue: netns cleanup_net
[   19.387606][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.387761][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.388201][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.388348][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1a2740 RCX: 1ff4000000018eed
[   19.388522][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a27fc
[   19.388704][   T12] RBP: ff110000094d4000 R08: 1fe2200001a34501 R09: ff11000001aed1d0
[   19.388879][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.389056][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.389238][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.389446][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.389600][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.389777][   T12] PKRU: 55555554
[   19.389865][   T12] Call Trace:
[   19.389954][   T12]  <TASK>
[   19.390016][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.390168][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.390311][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.390428][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.390547][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.390672][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.390789][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.390906][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.391026][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.391148][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.391269][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.391390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.391508][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.391631][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.391751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.391868][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.391989][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.392112][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.392233][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.392354][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.392469][   T12]  kthread (kernel/kthread.c:436)
[   19.392562][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.392707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.392825][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.392946][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.393092][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.393214][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.393329][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.395291][   T12] ------------[ cut here ]------------
| [   19.395411][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.395645][   T12] Modules linked in: nf_tables
| [   19.396033][   T12] Tainted: [W]=WARN
[   19.396206][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.396353][   T12] Workqueue: netns cleanup_net
[   19.396472][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.396631][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.397059][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.397210][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1a23c0 RCX: 1ff4000000018eed
[   19.397380][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a247c
[   19.397554][   T12] RBP: ff110000021f9000 R08: 1fe2200001a34491 R09: ff11000001aed1d0
[   19.397736][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.397910][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.398100][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.398303][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.398451][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.398653][   T12] PKRU: 55555554
[   19.398740][   T12] Call Trace:
[   19.398828][   T12]  <TASK>
[   19.398889][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.399043][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.399196][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.399313][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.399433][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.399550][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.399673][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.399793][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.399911][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.400028][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.400156][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.400278][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.400394][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.400513][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.400637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.400756][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.400875][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.400992][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.401120][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.401242][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.401359][   T12]  kthread (kernel/kthread.c:436)
[   19.401446][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.401597][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.401715][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.401832][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.401981][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.402103][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.402224][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.414630][   T12] ------------[ cut here ]------------
| [   19.414773][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.415025][   T12] Modules linked in: nf_tables
| [   19.415766][   T12] Tainted: [W]=WARN
[   19.415859][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.416024][   T12] Workqueue: netns cleanup_net
[   19.416160][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.416328][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.416805][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.416961][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1a2200 RCX: 1ff4000000018eaf
[   19.417161][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1a22bc
[   19.417349][   T12] RBP: ff110000093b9000 R08: 1fe2200001a34459 R09: ff11000001aed1d0
[   19.417535][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   19.417727][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000021f4000
[   19.417917][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.418154][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.418313][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.418502][   T12] PKRU: 55555554
[   19.418601][   T12] Call Trace:
[   19.418695][   T12]  <TASK>
[   19.418759][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.418883][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.418977][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.419108][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.419231][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.419355][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.419479][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.419606][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.419761][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.419915][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.420037][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.420164][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   19.420287][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.420443][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.420574][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.420700][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.420824][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.420947][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.421072][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.421201][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.421325][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.421449][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.421575][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.421702][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.421828][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.421952][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.422075][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.422206][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.422338][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.422470][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.422605][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.422729][   T12]  kthread (kernel/kthread.c:436)
[   19.422822][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.422975][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.423104][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.423230][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.423382][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.423506][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.423634][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.425292][   T12] ------------[ cut here ]------------
| [   19.425415][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.425660][   T12] Modules linked in: nf_tables
| [   19.426063][   T12] Tainted: [W]=WARN
[   19.426162][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.426321][   T12] Workqueue: netns cleanup_net
[   19.426449][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.426613][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.427050][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.427210][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5543c0 RCX: 1ff4000000018eaf
[   19.427395][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e55447c
[   19.427585][   T12] RBP: ff110000021f4000 R08: 1fe2200001caa891 R09: ff11000001aed1d0
[   19.427771][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   19.427953][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   19.428141][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.428356][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.428510][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.428700][   T12] PKRU: 55555554
[   19.428793][   T12] Call Trace:
[   19.428886][   T12]  <TASK>
[   19.428951][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.429077][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.429212][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.429305][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.429432][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.429553][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.429683][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.429807][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.429931][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.430089][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.430251][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.430373][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.430498][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   19.430628][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.430783][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.430908][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.431031][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.431160][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.431286][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.431412][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.431537][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.431662][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.431788][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.431910][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.432031][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.432162][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.432286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.432408][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.432534][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.432663][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.432792][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.432923][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.433046][   T12]  kthread (kernel/kthread.c:436)
[   19.433144][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.433298][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.433421][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.433542][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.433703][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.433826][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.433950][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.437104][   T12] ------------[ cut here ]------------
| [   19.437232][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.437465][   T12] Modules linked in: nf_tables
| [   19.437859][   T12] Tainted: [W]=WARN
[   19.437949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.438116][   T12] Workqueue: netns cleanup_net
[   19.438238][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.438394][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.438833][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.438981][   T12] RAX: 00000000ffffffa6 RBX: ff1100000badfc40 RCX: 1ff4000000018ed5
[   19.439165][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badfcfc
[   19.439343][   T12] RBP: ff110000093b9000 R08: 1fe220000175bfa1 R09: ff11000001aed1d0
[   19.439517][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.439697][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.439893][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.440105][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.440261][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.440437][   T12] PKRU: 55555554
[   19.440526][   T12] Call Trace:
[   19.440618][   T12]  <TASK>
[   19.440681][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.440831][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.440979][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.441104][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.441231][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.441350][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.441468][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.441592][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.441712][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.441828][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.441951][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.442071][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.442191][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.442311][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.442429][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.442547][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.442676][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.442794][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.442917][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.443039][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.443163][   T12]  kthread (kernel/kthread.c:436)
[   19.443250][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.443398][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.443518][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.443652][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.443803][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.443922][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.444121][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.447991][   T12] ------------[ cut here ]------------
| [   19.448123][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.448355][   T12] Modules linked in: nf_tables
| [   19.448749][   T12] Tainted: [W]=WARN
[   19.448843][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.448990][   T12] Workqueue: netns cleanup_net
[   19.449187][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.449340][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.449766][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.449921][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bade740 RCX: 1ff4000000018ed5
[   19.450144][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bade7fc
[   19.450368][   T12] RBP: ff110000021f4000 R08: 1fe220000175bd01 R09: ff11000001aed1d0
[   19.450545][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.450727][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.450906][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.451161][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.451310][   T12] CR2: 00007fb97386a680 CR3: 000000007bd4d006 CR4: 0000000000771ef0
[   19.451486][   T12] PKRU: 55555554
[   19.451580][   T12] Call Trace:
[   19.451668][   T12]  <TASK>
[   19.451729][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.451881][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.452030][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.452199][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.452319][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.452436][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.452555][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.452681][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.452802][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.452919][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.453043][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.453207][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.453323][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.453442][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.453563][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.453683][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.453806][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.453924][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.454049][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.454218][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.454336][   T12]  kthread (kernel/kthread.c:436)
[   19.454428][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.454578][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.454697][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.454816][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.454969][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.455087][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.455253][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.513912][   T12] ------------[ cut here ]------------
| [   19.514049][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.514799][   T12] Modules linked in: nf_tables
| [   19.515194][   T12] Tainted: [W]=WARN
[   19.515284][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.515429][   T12] Workqueue: netns cleanup_net
[   19.515551][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.515717][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.516144][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.516291][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a5043c0 RCX: 1ff4000000018eed
[   19.516467][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a50447c
[   19.516647][   T12] RBP: ff1100000e779000 R08: 1fe22000014a0891 R09: ff11000001aed1d0
[   19.516821][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.516994][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.517172][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.517374][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.517519][   T12] CR2: 00005588120cc2b8 CR3: 000000000934a002 CR4: 0000000000771ef0
[   19.517698][   T12] PKRU: 55555554
[   19.517790][   T12] Call Trace:
[   19.517876][   T12]  <TASK>
[   19.517937][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.518092][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.518245][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.518364][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.518484][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.518605][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.518721][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.518842][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.518960][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.519074][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.519196][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.519314][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.519429][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.519546][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.519666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.519784][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.519903][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.520019][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.520143][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.520264][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.520381][   T12]  kthread (kernel/kthread.c:436)
[   19.520469][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.520618][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.520736][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.520852][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.520998][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.521121][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.521236][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.523367][   T12] ------------[ cut here ]------------
| [   19.523483][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.523720][   T12] Modules linked in: nf_tables
| [   19.524169][   T12] Tainted: [W]=WARN
[   19.524260][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.524409][   T12] Workqueue: netns cleanup_net
[   19.524532][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.524692][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.525108][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.525259][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a5058c0 RCX: 1ff4000000018eed
[   19.525437][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a50597c
[   19.525616][   T12] RBP: ff1100000ed5c000 R08: 1fe22000014a0b31 R09: ff11000001aed1d0
[   19.525795][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.525967][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.526146][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.526351][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.526499][   T12] CR2: 00005588120cc2b8 CR3: 000000000934a002 CR4: 0000000000771ef0
[   19.526682][   T12] PKRU: 55555554
[   19.526769][   T12] Call Trace:
[   19.526854][   T12]  <TASK>
[   19.526915][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.527064][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.527217][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.527332][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.527451][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.527570][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.527688][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.527805][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.527929][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.528049][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.528174][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.528291][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.528411][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.528528][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.528650][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.528767][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.528890][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.529005][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.529134][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.529254][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.529371][   T12]  kthread (kernel/kthread.c:436)
[   19.529459][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.529609][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.529724][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.529841][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.529986][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.530106][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.530222][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.532324][   T12] ------------[ cut here ]------------
| [   19.532440][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.532670][   T12] Modules linked in: nf_tables
| [   19.533054][   T12] Tainted: [W]=WARN
[   19.533610][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.533761][   T12] Workqueue: netns cleanup_net
[   19.533885][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.534037][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.534495][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.534647][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0ce3c0 RCX: 1ff4000000018eed
[   19.534820][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ce47c
[   19.534993][   T12] RBP: ff110000101b1000 R08: 1fe2200001a19c91 R09: ff11000001aed1d0
[   19.535217][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.535435][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.535616][   T12] FS:  0000000000000000(0000) GS:ff110000ca047000(0000) knlGS:0000000000000000
[   19.535816][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.535964][   T12] CR2: 00005588120cc2b8 CR3: 000000000934a002 CR4: 0000000000771ef0
[   19.536199][   T12] PKRU: 55555554
[   19.536285][   T12] Call Trace:
[   19.536370][   T12]  <TASK>
[   19.536433][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.536583][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.536725][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.536842][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.536959][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.537075][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.537234][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.537353][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.537470][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.537589][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.537708][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.537824][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.537938][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.538054][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.538216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.538335][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.538454][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.538572][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.538693][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.538813][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.538928][   T12]  kthread (kernel/kthread.c:436)
[   19.539015][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.539204][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.539319][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.539435][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.539581][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.539698][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.539814][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.541816][   T12] ------------[ cut here ]------------
| [   19.541944][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.542185][   T12] Modules linked in: nf_tables
| [   19.542579][   T12] Tainted: [W]=WARN
[   19.542667][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.542812][   T12] Workqueue: netns cleanup_net
[   19.542936][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.543087][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.543510][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.543660][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0ceac0 RCX: 1ff4000000018eed
[   19.543833][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ceb7c
[   19.544006][   T12] RBP: ff1100000f809000 R08: 1fe2200001a19d71 R09: ff11000001aed1d0
[   19.544191][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.544367][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.544544][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.544758][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.544901][   T12] CR2: 00007fc5a136f9dc CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   19.545074][   T12] PKRU: 55555554
[   19.545168][   T12] Call Trace:
[   19.545253][   T12]  <TASK>
[   19.545313][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.545461][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.545610][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.545727][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.545843][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.545958][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.546075][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.546196][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.546315][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.546429][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.546548][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.546670][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.546786][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.546902][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.547016][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.547139][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.547258][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.547379][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.547499][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.547627][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.547742][   T12]  kthread (kernel/kthread.c:436)
[   19.547829][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.547973][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.548091][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.548214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.548359][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.548475][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.548596][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.550522][   T12] ------------[ cut here ]------------
| [   19.550642][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.550866][   T12] Modules linked in: nf_tables
| [   19.551252][   T12] Tainted: [W]=WARN
[   19.551341][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.551484][   T12] Workqueue: netns cleanup_net
[   19.551610][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.551762][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.552184][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.552331][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0ce040 RCX: 1ff4000000018eed
[   19.552507][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ce0fc
[   19.552684][   T12] RBP: ff1100000ed39000 R08: 1fe2200001a19c21 R09: ff11000001aed1d0
[   19.552862][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.553032][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.553211][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.553414][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.553563][   T12] CR2: 00007fc5a136f9dc CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   19.553738][   T12] PKRU: 55555554
[   19.553824][   T12] Call Trace:
[   19.553910][   T12]  <TASK>
[   19.553971][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.554128][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.554271][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.554388][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.554506][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.554627][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.554744][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.554862][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.554980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.555100][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.555220][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.555337][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.555454][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.555582][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.555697][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.555813][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.555933][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.556048][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.556172][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.556291][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.556408][   T12]  kthread (kernel/kthread.c:436)
[   19.556496][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.556651][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.556767][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.556889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.557039][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.557159][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.557276][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.576816][   T12] ------------[ cut here ]------------
| [   19.576955][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.577208][   T12] Modules linked in: nf_tables
| [   19.577622][   T12] Tainted: [W]=WARN
[   19.577716][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.577869][   T12] Workqueue: netns cleanup_net
[   19.577998][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.578163][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.578605][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.578762][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0cec80 RCX: 1ff4000000018eaf
[   19.578950][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ced3c
[   19.579138][   T12] RBP: ff1100000a854000 R08: 1fe2200001a19da9 R09: ff11000001aed1d0
[   19.579319][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.579503][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   19.579694][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.579911][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.580066][   T12] CR2: 00007fc5a136f9dc CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   19.580268][   T12] PKRU: 55555554
[   19.580360][   T12] Call Trace:
[   19.580452][   T12]  <TASK>
[   19.580517][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.580653][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.580752][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.580878][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.581000][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.581129][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.581251][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.581373][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.581530][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.581711][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.581833][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.581954][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   19.582077][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.582237][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.582362][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.582487][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.582616][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.582739][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.582863][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.582989][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.583116][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.583240][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.583363][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.583485][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.583614][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.583734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.583861][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.583986][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.584112][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.584239][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.584365][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.584489][   T12]  kthread (kernel/kthread.c:436)
[   19.584585][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.584738][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.584862][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.584985][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.585141][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.585264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.585387][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.587492][   T12] ------------[ cut here ]------------
| [   19.587623][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   19.587856][   T12] Modules linked in: nf_tables
| [   19.588807][   T12] Tainted: [W]=WARN
[   19.588898][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.589046][   T12] Workqueue: netns cleanup_net
[   19.589220][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.589386][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.589821][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.589968][   T12] RAX: 00000000ffffffa6 RBX: ff1100001028c580 RCX: 1ff4000000018ed5
[   19.590222][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028c63c
[   19.590395][   T12] RBP: ff1100000a854000 R08: 1fe22000020518c9 R09: ff11000001aed1d0
[   19.590573][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.590748][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.590932][   T12] FS:  0000000000000000(0000) GS:ff110000c9ec7000(0000) knlGS:0000000000000000
[   19.591182][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.591327][   T12] CR2: 00007fc5a136f9dc CR3: 000000007bd4d002 CR4: 0000000000771ef0
[   19.591505][   T12] PKRU: 55555554
[   19.591598][   T12] Call Trace:
[   19.591686][   T12]  <TASK>
[   19.591747][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.591898][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.592050][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.592218][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.592337][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.592454][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.592575][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.592695][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.592815][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.592935][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.593055][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.593221][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.593337][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.593456][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.593576][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.593697][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.593819][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.593938][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.594060][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.594229][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.594347][   T12]  kthread (kernel/kthread.c:436)
[   19.594440][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.594592][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.594711][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.594828][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.594974][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.595092][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:dev_change_flags
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_unlink:netdev_upper_dev_unlink