======================================
| 0
| xx__-> [    9.526206][  T193] ------------[ cut here ]------------
| [    9.526456][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.527014][  T193] Tainted: [W]=WARN
[    9.527125][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.527294][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.527472][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.528013][  T193] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[    9.528190][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c798200 RCX: 1ff4000000108f1c
[    9.528391][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7982b8
[    9.528590][  T193] RBP: ff1100000d6e9000 R08: 1fe22000018f3058 R09: ff1100000cee0b80
[    9.528847][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.529047][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d6e9000
[    9.529262][  T193] FS:  00007f0f801a5840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[    9.529499][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.529672][  T193] CR2: 0000000000479648 CR3: 0000000004a01004 CR4: 0000000000771ef0
[    9.529872][  T193] PKRU: 55555554
[    9.529972][  T193] Call Trace:
[    9.530072][  T193]  <TASK>
[    9.530147][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.530284][  T193]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.530422][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.530526][  T193]  register_netdevice (net/core/dev.c:11488)
[    9.530667][  T193]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.530838][  T193]  register_netdev (net/core/dev.c:11552)
[    9.530971][  T193]  loopback_net_init (drivers/net/loopback.c:218)
[    9.531105][  T193]  ops_init (net/core/net_namespace.c:137)
[    9.531212][  T193]  setup_net (net/core/net_namespace.c:446)
[    9.531312][  T193]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.531445][  T193]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.531580][  T193]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.531721][  T193]  copy_net_ns (net/core/net_namespace.c:579)
[    9.531855][  T193]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.531992][  T193]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.532132][  T193]  ksys_unshare (kernel/fork.c:3243)
[    9.532268][  T193]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.532403][  T193]  ? __ia32_sys_open (fs/open.c:1374)
[    9.532541][  T193]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.532677][  T193]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.532811][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.532943][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.533076][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.533216][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.533381][  T193] RIP: 0033:0x7f0f80467bcb
[    9.533521][  T193] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.534001][  T193] RSP: 002b:00007ffc1c024138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.534211][  T193] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f80467bcb
[    9.534412][  T193] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.534612][  T193] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.534815][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1c026360
[    9.535011][  T193] R13: 0000000000000001 R14: 00007f0f801a56f8 R15: 00007ffc1c0268b5
| [    9.536359][  T193] ---[ end trace 0000000000000000 ]---
| [    9.539864][  T193] ------------[ cut here ]------------
| [    9.540020][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.540521][  T193] Tainted: [W]=WARN
[    9.540623][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.540800][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.540972][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.541450][  T193] RSP: 0018:ffa0000000847a98 EFLAGS: 00010286
[    9.541619][  T193] RAX: 00000000ffffffa6 RBX: ff1100000d58cc80 RCX: 1ff4000000108f19
[    9.542330][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58cd38
[    9.542531][  T193] RBP: ff1100000d714000 R08: 1fe2200001ab19a8 R09: ff1100000cee0b80
[    9.542785][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.542983][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d714000
[    9.543185][  T193] FS:  00007f0f801a5840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[    9.543415][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.543581][  T193] CR2: 0000000000479648 CR3: 0000000004a01004 CR4: 0000000000771ef0
[    9.543834][  T193] PKRU: 55555554
[    9.543985][  T193] Call Trace:
[    9.544086][  T193]  <TASK>
[    9.544162][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.544296][  T193]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.544428][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.544528][  T193]  register_netdevice (net/core/dev.c:11488)
[    9.544717][  T193]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.544881][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.545015][  T193]  register_netdev (net/core/dev.c:11552)
[    9.545153][  T193]  sit_init_net (net/ipv6/sit.c:1860)
[    9.545289][  T193]  ops_init (net/core/net_namespace.c:137)
[    9.545390][  T193]  setup_net (net/core/net_namespace.c:446)
[    9.545490][  T193]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.545621][  T193]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.545814][  T193]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.545948][  T193]  copy_net_ns (net/core/net_namespace.c:579)
[    9.546139][  T193]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.546273][  T193]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.546406][  T193]  ksys_unshare (kernel/fork.c:3243)
[    9.546539][  T193]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.546724][  T193]  ? __ia32_sys_open (fs/open.c:1374)
[    9.546859][  T193]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.546990][  T193]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.547127][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.547259][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.547392][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.547525][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.547743][  T193] RIP: 0033:0x7f0f80467bcb
[    9.547881][  T193] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.548355][  T193] RSP: 002b:00007ffc1c024138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.548553][  T193] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f80467bcb
[    9.548806][  T193] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.549001][  T193] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.549205][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1c026360
[    9.549403][  T193] R13: 0000000000000001 R14: 00007f0f801a56f8 R15: 00007ffc1c0268b5
| [    9.550849][  T193] ---[ end trace 0000000000000000 ]---
| [    9.626455][  T197] ------------[ cut here ]------------
| [    9.626686][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/197
| [    9.627308][  T197] Tainted: [W]=WARN
[    9.627455][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.627677][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.627895][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.628424][  T197] RSP: 0018:ffa0000000877ab0 EFLAGS: 00010286
[    9.628651][  T197] RAX: 00000000ffffffa6 RBX: ff1100000d58c040 RCX: 1ff400000010ef1c
[    9.628894][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58c0f8
[    9.629145][  T197] RBP: ff1100000a60c000 R08: 1fe2200001ab1820 R09: ff11000009c5ae80
[    9.629392][  T197] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.629649][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a60c000
[    9.629893][  T197] FS:  00007f3a35540840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[    9.630177][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.630394][  T197] CR2: 00007f3a35747430 CR3: 000000000d4b8003 CR4: 0000000000771ef0
[    9.630653][  T197] PKRU: 55555554
[    9.630799][  T197] Call Trace:
[    9.630946][  T197]  <TASK>
[    9.631062][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.631251][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.631431][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.631580][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.631816][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.632030][  T197]  register_netdev (net/core/dev.c:11552)
[    9.632219][  T197]  loopback_net_init (drivers/net/loopback.c:218)
[    9.632405][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.632556][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.632716][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.632896][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.633082][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.633265][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.633446][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.633641][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.633819][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.634000][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.634187][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.634374][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.634554][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.634743][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.634922][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.635101][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.635288][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.635498][  T197] RIP: 0033:0x7f3a35802bcb
[    9.635694][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.636216][  T197] RSP: 002b:00007ffc16405618 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.636460][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3a35802bcb
[    9.636718][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.636961][  T197] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.637211][  T197] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc16407840
[    9.637453][  T197] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc164088b5
| [    9.639136][  T197] ---[ end trace 0000000000000000 ]---
| [    9.642755][  T197] ------------[ cut here ]------------
| [    9.642944][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/197
| [    9.643540][  T197] Tainted: [W]=WARN
[    9.643698][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.643915][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.644142][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.644733][  T197] RSP: 0018:ffa0000000877a98 EFLAGS: 00010286
[    9.645000][  T197] RAX: 00000000ffffffa6 RBX: ff1100000c740900 RCX: 1ff400000010ef19
[    9.645304][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7409b8
[    9.645601][  T197] RBP: ff1100000a591000 R08: 1fe22000018e8138 R09: ff11000009c5ae80
[    9.645913][  T197] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.646215][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a591000
[    9.646514][  T197] FS:  00007f3a35540840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[    9.646857][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.647134][  T197] CR2: 00007f3a35747430 CR3: 000000000d4b8003 CR4: 0000000000771ef0
[    9.647431][  T197] PKRU: 55555554
[    9.647642][  T197] Call Trace:
[    9.647840][  T197]  <TASK>
[    9.648007][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.648246][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.648477][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.648691][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.648926][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.649165][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.649348][  T197]  register_netdev (net/core/dev.c:11552)
[    9.649531][  T197]  sit_init_net (net/ipv6/sit.c:1860)
[    9.649725][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.649874][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.650022][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.650208][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.650388][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.650567][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.650762][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.650944][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.651130][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.651310][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.651493][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.651687][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.651866][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.652043][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.652225][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.652404][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.652585][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.652810][  T197] RIP: 0033:0x7f3a35802bcb
[    9.652993][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.653514][  T197] RSP: 002b:00007ffc16405618 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.653773][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3a35802bcb
[    9.654020][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.654272][  T197] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.654516][  T197] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc16407840
[    9.654773][  T197] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc164088b5
| [    9.656437][  T197] ---[ end trace 0000000000000000 ]---
| [    9.710384][  T201] ------------[ cut here ]------------
| [    9.710547][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/201
| [    9.711069][  T201] Tainted: [W]=WARN
[    9.711176][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.711343][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.711518][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.712004][  T201] RSP: 0018:ffa00000008a7ab0 EFLAGS: 00010286
[    9.712181][  T201] RAX: 00000000ffffffa6 RBX: ff1100000c740e40 RCX: 1ff4000000114f1c
[    9.712381][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c740ef8
[    9.712583][  T201] RBP: ff1100000c5e4000 R08: 1fe22000018e81e0 R09: ff1100000a4c8b80
[    9.712790][  T201] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.712990][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5e4000
[    9.713194][  T201] FS:  00007fa8e8dad840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[    9.713429][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.713598][  T201] CR2: 00007fa8e8faec20 CR3: 00000000049ba005 CR4: 0000000000771ef0
[    9.713805][  T201] PKRU: 55555554
[    9.713907][  T201] Call Trace:
[    9.714008][  T201]  <TASK>
[    9.714077][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.714217][  T201]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.714353][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.714456][  T201]  register_netdevice (net/core/dev.c:11488)
[    9.714591][  T201]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.714766][  T201]  register_netdev (net/core/dev.c:11552)
[    9.714901][  T201]  loopback_net_init (drivers/net/loopback.c:218)
[    9.715037][  T201]  ops_init (net/core/net_namespace.c:137)
[    9.715144][  T201]  setup_net (net/core/net_namespace.c:446)
[    9.715247][  T201]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.715382][  T201]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.715516][  T201]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.715658][  T201]  copy_net_ns (net/core/net_namespace.c:579)
[    9.715794][  T201]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.715930][  T201]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.716064][  T201]  ksys_unshare (kernel/fork.c:3243)
[    9.716206][  T201]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.716342][  T201]  ? __ia32_sys_open (fs/open.c:1374)
[    9.716479][  T201]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.716612][  T201]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.716752][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.716884][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.717019][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.717157][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.717324][  T201] RIP: 0033:0x7fa8e906fbcb
[    9.717463][  T201] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.717943][  T201] RSP: 002b:00007ffe90c18008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.718149][  T201] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa8e906fbcb
[    9.718350][  T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.718550][  T201] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.718754][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90c1a230
[    9.718952][  T201] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90c1a8b5
| [    9.720296][  T201] ---[ end trace 0000000000000000 ]---
| [    9.723161][  T201] ------------[ cut here ]------------
| [    9.723306][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/201
| [    9.723819][  T201] Tainted: [W]=WARN
[    9.723921][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.724089][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.724265][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.724745][  T201] RSP: 0018:ffa00000008a7a98 EFLAGS: 00010286
[    9.724915][  T201] RAX: 00000000ffffffa6 RBX: ff11000009289540 RCX: 1ff4000000114f19
[    9.725118][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092895f8
[    9.725317][  T201] RBP: ff11000004b81000 R08: 1fe22000012512c0 R09: ff1100000a4c8b80
[    9.725514][  T201] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.725718][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b81000
[    9.725918][  T201] FS:  00007fa8e8dad840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[    9.726158][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.726326][  T201] CR2: 00007fa8e8faec20 CR3: 00000000049ba005 CR4: 0000000000771ef0
[    9.726525][  T201] PKRU: 55555554
[    9.726630][  T201] Call Trace:
[    9.726730][  T201]  <TASK>
[    9.726799][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.726932][  T201]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.727066][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.727173][  T201]  register_netdevice (net/core/dev.c:11488)
[    9.727308][  T201]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.727476][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.727611][  T201]  register_netdev (net/core/dev.c:11552)
[    9.727751][  T201]  sit_init_net (net/ipv6/sit.c:1860)
[    9.727886][  T201]  ops_init (net/core/net_namespace.c:137)
[    9.727987][  T201]  setup_net (net/core/net_namespace.c:446)
[    9.728089][  T201]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.728226][  T201]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.728359][  T201]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.728494][  T201]  copy_net_ns (net/core/net_namespace.c:579)
[    9.728635][  T201]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.728771][  T201]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.728906][  T201]  ksys_unshare (kernel/fork.c:3243)
[    9.729040][  T201]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.729178][  T201]  ? __ia32_sys_open (fs/open.c:1374)
[    9.729313][  T201]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.729447][  T201]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.729579][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.729716][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.729849][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.729982][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.730150][  T201] RIP: 0033:0x7fa8e906fbcb
[    9.730287][  T201] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.730867][  T201] RSP: 002b:00007ffe90c18008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.731068][  T201] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa8e906fbcb
[    9.731358][  T201] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.731556][  T201] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.731846][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90c1a230
[    9.732047][  T201] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90c1a8b5
| [    9.733545][  T201] ---[ end trace 0000000000000000 ]---
| [    9.793966][  T205] ------------[ cut here ]------------
| [    9.794135][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [    9.794640][  T205] Tainted: [W]=WARN
[    9.794745][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.794908][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.795081][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.795551][  T205] RSP: 0018:ffa00000008c7ab0 EFLAGS: 00010286
[    9.795723][  T205] RAX: 00000000ffffffa6 RBX: ff11000009288580 RCX: 1ff4000000118f1c
[    9.795919][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009288638
[    9.796121][  T205] RBP: ff1100000f859000 R08: 1fe22000012510c8 R09: ff1100000cc62e80
[    9.796315][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.796510][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f859000
[    9.796715][  T205] FS:  00007f156a937840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[    9.796945][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.797109][  T205] CR2: 00007f156ab417d0 CR3: 000000000d79f001 CR4: 0000000000771ef0
[    9.797309][  T205] PKRU: 55555554
[    9.797407][  T205] Call Trace:
[    9.797504][  T205]  <TASK>
[    9.797572][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.797712][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.797845][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.797946][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.798078][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.798247][  T205]  register_netdev (net/core/dev.c:11552)
[    9.798377][  T205]  loopback_net_init (drivers/net/loopback.c:218)
[    9.798508][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.798609][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.798716][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.798851][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.798982][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.799118][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.799262][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.799396][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.799536][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.799672][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.799805][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.799937][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.800068][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.800205][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.800335][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.800474][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.800604][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.800773][  T205] RIP: 0033:0x7f156abf9bcb
[    9.800910][  T205] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.801382][  T205] RSP: 002b:00007fffcfaa2ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.801579][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f156abf9bcb
[    9.801782][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.801978][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.802179][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffcfaa50f0
[    9.802375][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcfaa58b5
| [    9.803736][  T205] ---[ end trace 0000000000000000 ]---
| [    9.806775][  T205] ------------[ cut here ]------------
| [    9.806922][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [    9.807417][  T205] Tainted: [W]=WARN
[    9.807518][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.807696][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.807870][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.808341][  T205] RSP: 0018:ffa00000008c7a98 EFLAGS: 00010286
[    9.808506][  T205] RAX: 00000000ffffffa6 RBX: ff1100000f8a8c80 RCX: 1ff4000000118f19
[    9.808715][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8a8d38
[    9.808911][  T205] RBP: ff1100000f884000 R08: 1fe2200001f151a8 R09: ff1100000cc62e80
[    9.809105][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.809306][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f884000
[    9.809509][  T205] FS:  00007f156a937840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[    9.809746][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.809910][  T205] CR2: 00007f156ab417d0 CR3: 000000000d79f001 CR4: 0000000000771ef0
[    9.810106][  T205] PKRU: 55555554
[    9.810208][  T205] Call Trace:
[    9.810311][  T205]  <TASK>
[    9.810378][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.810512][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.810648][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.810748][  T205]  register_netdevice (net/core/dev.c:11488)
[    9.810882][  T205]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.811046][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.811190][  T205]  register_netdev (net/core/dev.c:11552)
[    9.811322][  T205]  sit_init_net (net/ipv6/sit.c:1860)
[    9.811457][  T205]  ops_init (net/core/net_namespace.c:137)
[    9.811557][  T205]  setup_net (net/core/net_namespace.c:446)
[    9.811661][  T205]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.811792][  T205]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.811922][  T205]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.812060][  T205]  copy_net_ns (net/core/net_namespace.c:579)
[    9.812196][  T205]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.812330][  T205]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.812461][  T205]  ksys_unshare (kernel/fork.c:3243)
[    9.812593][  T205]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.812728][  T205]  ? __ia32_sys_open (fs/open.c:1374)
[    9.812862][  T205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.813000][  T205]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.813136][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.813268][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.813400][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.813531][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.813698][  T205] RIP: 0033:0x7f156abf9bcb
[    9.813841][  T205] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.814311][  T205] RSP: 002b:00007fffcfaa2ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.814508][  T205] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f156abf9bcb
[    9.814712][  T205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.814906][  T205] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.815103][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffcfaa50f0
[    9.815301][  T205] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcfaa58b5
| [    9.816629][  T205] ---[ end trace 0000000000000000 ]---
| [    9.884196][  T209] ------------[ cut here ]------------
| [    9.884357][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [    9.885517][  T209] Tainted: [W]=WARN
[    9.885622][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.885850][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.886025][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.886504][  T209] RSP: 0018:ffa00000008f7ab0 EFLAGS: 00010286
[    9.886748][  T209] RAX: 00000000ffffffa6 RBX: ff1100000f8d8200 RCX: 1ff400000011ef1c
[    9.886954][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d82b8
[    9.887170][  T209] RBP: ff1100000f97c000 R08: 1fe2200001f1b058 R09: ff1100000ceb0b80
[    9.887365][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.887561][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f97c000
[    9.887766][  T209] FS:  00007f2a26256840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[    9.887999][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.888172][  T209] CR2: 00007f2a265cf493 CR3: 000000000d7eb003 CR4: 0000000000771ef0
[    9.888369][  T209] PKRU: 55555554
[    9.888470][  T209] Call Trace:
[    9.888570][  T209]  <TASK>
[    9.888641][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.888775][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.888907][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.889009][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.889148][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.889314][  T209]  register_netdev (net/core/dev.c:11552)
[    9.889446][  T209]  loopback_net_init (drivers/net/loopback.c:218)
[    9.889581][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.889689][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.889792][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.889924][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.890058][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.890197][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.890331][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.890466][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.890598][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.890738][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.890872][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.891009][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.891146][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.891280][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.891412][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.891547][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.891688][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.891856][  T209] RIP: 0033:0x7f2a26518bcb
[    9.891993][  T209] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.892469][  T209] RSP: 002b:00007ffd527d1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.892673][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2a26518bcb
[    9.892873][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.893070][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.893270][  T209] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd527d4000
[    9.893467][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd527d58b5
| [    9.894802][  T209] ---[ end trace 0000000000000000 ]---
| [    9.898043][  T209] ------------[ cut here ]------------
| [    9.898194][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [    9.898699][  T209] Tainted: [W]=WARN
[    9.898799][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.898970][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.899145][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.899613][  T209] RSP: 0018:ffa00000008f7a98 EFLAGS: 00010286
[    9.899793][  T209] RAX: 00000000ffffffa6 RBX: ff1100000f8d9000 RCX: 1ff400000011ef19
[    9.899990][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d90b8
[    9.900192][  T209] RBP: ff1100000f9a1000 R08: 1fe2200001f1b218 R09: ff1100000ceb0b80
[    9.900386][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.900588][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9a1000
[    9.900791][  T209] FS:  00007f2a26256840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[    9.901022][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.901189][  T209] CR2: 00007f2a265cf493 CR3: 000000000d7eb003 CR4: 0000000000771ef0
[    9.901385][  T209] PKRU: 55555554
[    9.901489][  T209] Call Trace:
[    9.901587][  T209]  <TASK>
[    9.901660][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.901791][  T209]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.901924][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.902023][  T209]  register_netdevice (net/core/dev.c:11488)
[    9.902160][  T209]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.902329][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.902461][  T209]  register_netdev (net/core/dev.c:11552)
[    9.902593][  T209]  sit_init_net (net/ipv6/sit.c:1860)
[    9.902732][  T209]  ops_init (net/core/net_namespace.c:137)
[    9.902835][  T209]  setup_net (net/core/net_namespace.c:446)
[    9.902934][  T209]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.903065][  T209]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.903206][  T209]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.903339][  T209]  copy_net_ns (net/core/net_namespace.c:579)
[    9.903471][  T209]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.903604][  T209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.903739][  T209]  ksys_unshare (kernel/fork.c:3243)
[    9.903870][  T209]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.904002][  T209]  ? __ia32_sys_open (fs/open.c:1374)
[    9.904146][  T209]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.904276][  T209]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.904407][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.904537][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.905159][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.905296][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.905466][  T209] RIP: 0033:0x7f2a26518bcb
[    9.905601][  T209] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.906122][  T209] RSP: 002b:00007ffd527d1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.906325][  T209] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2a26518bcb
[    9.906526][  T209] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.906778][  T209] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.906972][  T209] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd527d4000
[    9.907171][  T209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd527d58b5
| [    9.908604][  T209] ---[ end trace 0000000000000000 ]---
| [    9.976469][  T213] ------------[ cut here ]------------
| [    9.976640][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/213
| [    9.977163][  T213] Tainted: [W]=WARN
[    9.977265][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.977433][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.977610][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.978095][  T213] RSP: 0018:ffa00000007f7ab0 EFLAGS: 00010286
[    9.978271][  T213] RAX: 00000000ffffffa6 RBX: ff110000093da580 RCX: 1ff40000000fef1c
[    9.978469][  T213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093da638
[    9.978670][  T213] RBP: ff11000007cd9000 R08: 1fe220000127b4c8 R09: ff1100000c93ae80
[    9.978868][  T213] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.979067][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007cd9000
[    9.979272][  T213] FS:  00007fd1f4100840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[    9.979508][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.979676][  T213] CR2: 00007fd1f4307430 CR3: 000000000fa0b004 CR4: 0000000000771ef0
[    9.979876][  T213] PKRU: 55555554
[    9.979977][  T213] Call Trace:
[    9.980078][  T213]  <TASK>
[    9.980152][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.980287][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.980420][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.980521][  T213]  register_netdevice (net/core/dev.c:11488)
[    9.980661][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.980827][  T213]  register_netdev (net/core/dev.c:11552)
[    9.980962][  T213]  loopback_net_init (drivers/net/loopback.c:218)
[    9.981095][  T213]  ops_init (net/core/net_namespace.c:137)
[    9.981201][  T213]  setup_net (net/core/net_namespace.c:446)
[    9.981301][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.981433][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.981564][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.981702][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[    9.981837][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.981971][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.982103][  T213]  ksys_unshare (kernel/fork.c:3243)
[    9.982239][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.982371][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[    9.982505][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.982640][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.982774][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.982908][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.983040][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.983176][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.983341][  T213] RIP: 0033:0x7fd1f43c2bcb
[    9.983479][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.983954][  T213] RSP: 002b:00007fffb55d5e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.984156][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd1f43c2bcb
[    9.984355][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.984552][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.984754][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb55d8080
[    9.984950][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb55d98b5
| [    9.986278][  T213] ---[ end trace 0000000000000000 ]---
| [    9.989073][  T213] ------------[ cut here ]------------
| [    9.989216][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/213
| [    9.989719][  T213] Tainted: [W]=WARN
[    9.989819][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.989986][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.990160][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.990635][  T213] RSP: 0018:ffa00000007f7a98 EFLAGS: 00010286
[    9.990802][  T213] RAX: 00000000ffffffa6 RBX: ff110000093db380 RCX: 1ff40000000fef19
[    9.991000][  T213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093db438
[    9.991200][  T213] RBP: ff110000078d9000 R08: 1fe220000127b688 R09: ff1100000c93ae80
[    9.991396][  T213] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.991592][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000078d9000
[    9.991795][  T213] FS:  00007fd1f4100840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[    9.992025][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.992193][  T213] CR2: 00007fd1f4307430 CR3: 000000000fa0b004 CR4: 0000000000771ef0
[    9.992390][  T213] PKRU: 55555554
[    9.992489][  T213] Call Trace:
[    9.992588][  T213]  <TASK>
[    9.992660][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.992794][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.992928][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.993030][  T213]  register_netdevice (net/core/dev.c:11488)
[    9.993169][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.993333][  T213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.993466][  T213]  register_netdev (net/core/dev.c:11552)
[    9.993598][  T213]  sit_init_net (net/ipv6/sit.c:1860)
[    9.993735][  T213]  ops_init (net/core/net_namespace.c:137)
[    9.993835][  T213]  setup_net (net/core/net_namespace.c:446)
[    9.993936][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.994067][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.994202][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.994337][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[    9.994470][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.994603][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.994738][  T213]  ksys_unshare (kernel/fork.c:3243)
[    9.994871][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.995003][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[    9.995140][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.995272][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.995404][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.995536][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.995670][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.995803][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.995968][  T213] RIP: 0033:0x7fd1f43c2bcb
[    9.996105][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.996578][  T213] RSP: 002b:00007fffb55d5e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.996783][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd1f43c2bcb
[    9.996980][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.997178][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.997377][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb55d8080
[    9.997574][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb55d98b5
| [    9.998904][  T213] ---[ end trace 0000000000000000 ]---
| [   10.061426][  T217] ------------[ cut here ]------------
| [   10.061640][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [   10.062253][  T217] Tainted: [W]=WARN
[   10.062402][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.062615][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.062849][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.063372][  T217] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[   10.063584][  T217] RAX: 00000000ffffffa6 RBX: ff11000008a8e900 RCX: 1ff4000000108f1c
[   10.063841][  T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a8e9b8
[   10.064083][  T217] RBP: ff1100000207c000 R08: 1fe2200001151d38 R09: ff1100000ccfd180
[   10.064328][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.064572][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000207c000
[   10.064833][  T217] FS:  00007f5ae4986840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   10.065113][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.065334][  T217] CR2: 00007f5ae4cff493 CR3: 000000000fa44001 CR4: 0000000000771ef0
[   10.065579][  T217] PKRU: 55555554
[   10.065736][  T217] Call Trace:
[   10.065882][  T217]  <TASK>
[   10.065998][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.066189][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.066371][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.066521][  T217]  register_netdevice (net/core/dev.c:11488)
[   10.066713][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.066929][  T217]  register_netdev (net/core/dev.c:11552)
[   10.067110][  T217]  loopback_net_init (drivers/net/loopback.c:218)
[   10.067303][  T217]  ops_init (net/core/net_namespace.c:137)
[   10.067455][  T217]  setup_net (net/core/net_namespace.c:446)
[   10.067603][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.067795][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.067976][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.068166][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   10.068347][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.068529][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.068724][  T217]  ksys_unshare (kernel/fork.c:3243)
[   10.068904][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.069083][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   10.069264][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.069443][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.069636][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.069815][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.069998][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.070186][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.070398][  T217] RIP: 0033:0x7f5ae4c48bcb
[   10.070582][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.071109][  T217] RSP: 002b:00007ffc8f9305d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.071366][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5ae4c48bcb
[   10.071609][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.071865][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.072109][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8f932800
[   10.072363][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8f9348b5
| [   10.074038][  T217] ---[ end trace 0000000000000000 ]---
| [   10.076995][  T217] ------------[ cut here ]------------
| [   10.077184][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [   10.077786][  T217] Tainted: [W]=WARN
[   10.077931][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.078150][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.078372][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.078898][  T217] RSP: 0018:ffa0000000847a98 EFLAGS: 00010286
[   10.079112][  T217] RAX: 00000000ffffffa6 RBX: ff11000008a8f700 RCX: 1ff4000000108f19
[   10.079367][  T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a8f7b8
[   10.079609][  T217] RBP: ff110000087a1000 R08: 1fe2200001151ef8 R09: ff1100000ccfd180
[   10.079864][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.080107][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087a1000
[   10.080361][  T217] FS:  00007f5ae4986840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   10.080654][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.080867][  T217] CR2: 00007f5ae4cff493 CR3: 000000000fa44001 CR4: 0000000000771ef0
[   10.081111][  T217] PKRU: 55555554
[   10.081264][  T217] Call Trace:
[   10.081409][  T217]  <TASK>
[   10.081524][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.081719][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.081897][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.082046][  T217]  register_netdevice (net/core/dev.c:11488)
[   10.082229][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.082442][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.082639][  T217]  register_netdev (net/core/dev.c:11552)
[   10.082823][  T217]  sit_init_net (net/ipv6/sit.c:1860)
[   10.083004][  T217]  ops_init (net/core/net_namespace.c:137)
[   10.083160][  T217]  setup_net (net/core/net_namespace.c:446)
[   10.083307][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.083486][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.083676][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.083866][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[   10.084047][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.084243][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.084426][  T217]  ksys_unshare (kernel/fork.c:3243)
[   10.084607][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.084800][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[   10.084981][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.085171][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.085354][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.085540][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.085734][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.085917][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.086136][  T217] RIP: 0033:0x7f5ae4c48bcb
[   10.086320][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.086848][  T217] RSP: 002b:00007ffc8f9305d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.087095][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5ae4c48bcb
[   10.087348][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.087592][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.087847][  T217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8f932800
[   10.088191][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8f9348b5
| [   10.090061][  T217] ---[ end trace 0000000000000000 ]---
| [   10.173037][  T225] ------------[ cut here ]------------
| [   10.173241][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/225
| [   10.173793][  T225] Tainted: [W]=WARN
[   10.173899][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.174071][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.174258][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.174791][  T225] RSP: 0018:ffa00000008e6e20 EFLAGS: 00010286
[   10.174966][  T225] RAX: 00000000ffffffa6 RBX: ff1100000fac71c0 RCX: 1ff400000011cd8a
[   10.175217][  T225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fac7278
[   10.175422][  T225] RBP: ff11000009f21000 R08: 1fe2200001f58e50 R09: ff1100000ca08b80
[   10.175640][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.175845][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b60088
[   10.176052][  T225] FS:  00007fbcc86d6840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   10.176301][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.176476][  T225] CR2: 000000000042ebe0 CR3: 000000000cfc7006 CR4: 0000000000771ef0
[   10.176696][  T225] PKRU: 55555554
[   10.176798][  T225] Call Trace:
[   10.176901][  T225]  <TASK>
[   10.176972][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.177111][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.177219][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.177357][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.177500][  T225]  __dev_notify_flags (net/core/dev.c:9787)
[   10.177645][  T225]  ? netif_change_name (net/core/dev.c:1495)
[   10.177783][  T225]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.177923][  T225]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.178094][  T225]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   10.178273][  T225]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.178417][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.178554][  T225]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.178699][  T225]  veth_newlink (drivers/net/veth.c:1871)
[   10.178839][  T225]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.178976][  T225]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.179118][  T225]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.179256][  T225]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.179411][  T225]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.179548][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.179752][  T225]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.179889][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.180027][  T225]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.180169][  T225]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.180315][  T225]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.180452][  T225]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.180590][  T225]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.180792][  T225]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.180932][  T225]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.181071][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.181214][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.181357][  T225]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.181498][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.181693][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.181831][  T225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.182048][  T225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.182193][  T225]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.182338][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.182477][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.182613][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.182811][  T225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.182949][  T225]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.183086][  T225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.183235][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.183377][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.183516][  T225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.183713][  T225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.183850][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.183989][  T225]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.184130][  T225]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.184277][  T225]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.184416][  T225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.184553][  T225]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.184747][  T225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.184918][  T225]  ? move_addr_to_kernel (net/socket.c:258)
[   10.185060][  T225]  ___sys_sendmsg (net/socket.c:2752)
[   10.185207][  T225]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.185349][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.185522][  T225]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.185751][  T225]  __sys_sendmsg (net/socket.c:2784)
[   10.185889][  T225]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.186030][  T225]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.186174][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.186319][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.186456][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.186594][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.186812][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.186984][  T225] RIP: 0033:0x7fbcc891008e
[   10.187132][  T225] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.187705][  T225] RSP: 002b:00007fffffe5cd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.187915][  T225] RAX: ffffffffffffffda RBX: 00007fffffe5d538 RCX: 00007fbcc891008e
[   10.188125][  T225] RDX: 0000000000000000 RSI: 00007fffffe5ce40 RDI: 0000000000000005
[   10.188339][  T225] RBP: 00007fffffe5cda0 R08: 0000000000000000 R09: 0000000000000000
[   10.188545][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e6
[   10.188830][  T225] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffffe5d500
| [   10.190312][  T225] ---[ end trace 0000000000000000 ]---
| [   10.197026][  T225] ------------[ cut here ]------------
| [   10.197192][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/225
| [   10.197725][  T225] Tainted: [W]=WARN
[   10.197828][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.198003][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.198185][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.198692][  T225] RSP: 0018:ffa00000008e71a0 EFLAGS: 00010286
[   10.198865][  T225] RAX: 00000000ffffffa6 RBX: ff1100000fb7c040 RCX: 1ff400000011cdfa
[   10.199072][  T225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fb7c0f8
[   10.199290][  T225] RBP: ff11000008a11000 R08: 1fe2200001f6f820 R09: ff1100000ca08b80
[   10.199493][  T225] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.199703][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.199912][  T225] FS:  00007fbcc86d6840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   10.200157][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.200335][  T225] CR2: 000055694d408ce8 CR3: 000000000cfc7002 CR4: 0000000000771ef0
[   10.200540][  T225] PKRU: 55555554
[   10.200648][  T225] Call Trace:
[   10.200750][  T225]  <TASK>
[   10.200830][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.200967][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.201070][  T225]  __dev_notify_flags (net/core/dev.c:9787)
[   10.201236][  T225]  ? netif_change_name (net/core/dev.c:1495)
[   10.201373][  T225]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.201529][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.201740][  T225]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.201925][  T225]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.202066][  T225]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.202216][  T225]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.202352][  T225]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.202492][  T225]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.202638][  T225]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.202776][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.202958][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.203109][  T225]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.203262][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.203399][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.203534][  T225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.203735][  T225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.203873][  T225]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.204009][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.204157][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.204295][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.204431][  T225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.204567][  T225]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.204758][  T225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.204897][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.205032][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.205181][  T225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.205322][  T225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.205458][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.205594][  T225]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.205794][  T225]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.205929][  T225]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.206073][  T225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.206214][  T225]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.206349][  T225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.206522][  T225]  ? move_addr_to_kernel (net/socket.c:258)
[   10.206717][  T225]  ___sys_sendmsg (net/socket.c:2752)
[   10.206863][  T225]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.207009][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.207187][  T225]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.207325][  T225]  __sys_sendmsg (net/socket.c:2784)
[   10.207461][  T225]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.207604][  T225]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.207792][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.207928][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.208069][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.208212][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.208349][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.208519][  T225] RIP: 0033:0x7fbcc891008e
[   10.208671][  T225] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.209164][  T225] RSP: 002b:00007fffffe5cd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.209370][  T225] RAX: ffffffffffffffda RBX: 00007fffffe5d538 RCX: 00007fbcc891008e
[   10.209577][  T225] RDX: 0000000000000000 RSI: 00007fffffe5ce40 RDI: 0000000000000005
[   10.209791][  T225] RBP: 00007fffffe5cda0 R08: 0000000000000000 R09: 0000000000000000
[   10.209993][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e6
[   10.210201][  T225] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffffe5d500
| [   10.228272][  T225] ip (225) used greatest stack depth: 23376 bytes left
| [   10.303104][  T229] ------------[ cut here ]------------
| [   10.303270][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/229
| [   10.303795][  T229] Tainted: [W]=WARN
[   10.303901][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.304073][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.304252][  T229] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.304735][  T229] RSP: 0018:ffa0000000977020 EFLAGS: 00010286
[   10.304904][  T229] RAX: 00000000ffffffa6 RBX: ff1100000fafc3c0 RCX: 1ff400000012edca
[   10.305107][  T229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fafc478
[   10.305311][  T229] RBP: ff11000008a11000 R08: 1fe2200001f5f890 R09: ff1100000ca1d158
[   10.305512][  T229] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.305716][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a11ce1
[   10.305917][  T229] FS:  00007fd1f8a2e840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   10.306156][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.306325][  T229] CR2: 0000000023232988 CR3: 00000000049c2003 CR4: 0000000000771ef0
[   10.306524][  T229] PKRU: 55555554
[   10.306630][  T229] Call Trace:
[   10.306730][  T229]  <TASK>
[   10.306800][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.306936][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.307038][  T229]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.307173][  T229]  __dev_notify_flags (net/core/dev.c:9787)
[   10.307307][  T229]  ? netif_change_name (net/core/dev.c:1495)
[   10.307441][  T229]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.307573][  T229]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.307779][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.307913][  T229]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.308049][  T229]  netif_change_flags (net/core/dev.c:9820)
[   10.308186][  T229]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.308319][  T229]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.308453][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.308619][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.308827][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.308960][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.309091][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.309230][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.309363][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.309496][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.309684][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.309816][  T229]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.309947][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.310078][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.310216][  T229]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.310350][  T229]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.310485][  T229]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.310618][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.310828][  T229]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.310965][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.311101][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.311239][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.311371][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.311503][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.311712][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.311845][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.311976][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.312109][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.312245][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.312378][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.312510][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.312738][  T229]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.312871][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.313004][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.313141][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.313276][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.313409][  T229]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.313542][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.313694][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.313825][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.313961][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.314096][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.314233][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.314367][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.314501][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.314639][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.314774][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.314909][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.315042][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.315212][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   10.315346][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.315479][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.315612][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   10.315750][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.315916][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.316058][  T229]  __sys_sendmsg (net/socket.c:2784)
[   10.316196][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.316327][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.316494][  T229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.316632][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.316765][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.316899][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.317032][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.317170][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.317335][  T229] RIP: 0033:0x7fd1f8c6808e
[   10.317474][  T229] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.317949][  T229] RSP: 002b:00007fff17753040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.318153][  T229] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd1f8c6808e
[   10.318353][  T229] RDX: 0000000000000000 RSI: 00007fff177530f0 RDI: 0000000000000005
[   10.318554][  T229] RBP: 00007fff17753050 R08: 0000000000000000 R09: 0000000000000000
[   10.318759][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e6
[   10.318957][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff177537c0
| [   10.320559][  T229] ---[ end trace 0000000000000000 ]---
| [   10.407805][  T232] ------------[ cut here ]------------
| [   10.408006][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/232
| [   10.408607][  T232] Tainted: [W]=WARN
[   10.408768][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.408981][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.409208][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.409735][  T232] RSP: 0018:ffa0000000997020 EFLAGS: 00010286
[   10.409949][  T232] RAX: 00000000ffffffa6 RBX: ff1100000526ae40 RCX: 1ff4000000132dca
[   10.410196][  T232] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526aef8
[   10.410438][  T232] RBP: ff11000009f21000 R08: 1fe2200000a4d5e0 R09: ff1100000c452e58
[   10.410762][  T232] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.411064][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009f21ce1
[   10.411374][  T232] FS:  00007f35c6ef8840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   10.411720][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.411991][  T232] CR2: 000000002b7cd988 CR3: 000000000ca45004 CR4: 0000000000771ef0
[   10.412297][  T232] PKRU: 55555554
[   10.412528][  T232] Call Trace:
[   10.412757][  T232]  <TASK>
[   10.412957][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.413221][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.413445][  T232]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.413690][  T232]  __dev_notify_flags (net/core/dev.c:9787)
[   10.413919][  T232]  ? netif_change_name (net/core/dev.c:1495)
[   10.414096][  T232]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.414285][  T232]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.414463][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.414657][  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))
[   10.414840][  T232]  netif_change_flags (net/core/dev.c:9820)
[   10.415024][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.415214][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.415393][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.415605][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.415798][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.415978][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.416164][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.416349][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.416529][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.416722][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.416902][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.417083][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.417268][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.417449][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.417641][  T232]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.417825][  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)
[   10.418005][  T232]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.418194][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.418374][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.418555][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.418747][  T232]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.418929][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.419111][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.419297][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.419478][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.419668][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.419847][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.420026][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.420213][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.420394][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.420578][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.420770][  T232]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.420949][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.421136][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.421315][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.421496][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.421689][  T232]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.421870][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.422054][  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))
[   10.422244][  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))
[   10.422428][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.422611][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.422802][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.422983][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.423168][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.423350][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.423531][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.423725][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.423904][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.424123][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.424304][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.424483][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.424678][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.424856][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.425068][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.425265][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.425444][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.425621][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.425849][  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)
[   10.426032][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.426219][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.426398][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.426578][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.426771][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.426982][  T232] RIP: 0033:0x7f35c713208e
[   10.427173][  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
[   10.427701][  T232] RSP: 002b:00007ffeb77ab6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.427949][  T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f35c713208e
[   10.428198][  T232] RDX: 0000000000000000 RSI: 00007ffeb77ab790 RDI: 0000000000000005
[   10.428445][  T232] RBP: 00007ffeb77ab6f0 R08: 0000000000000000 R09: 0000000000000000
[   10.428702][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e6
[   10.428947][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb77abe60
| [   10.430639][  T232] ---[ end trace 0000000000000000 ]---
| [   10.432210][   T57] ------------[ cut here ]------------
| [   10.432464][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/57
| [   10.433425][   T57] Tainted: [W]=WARN
[   10.433565][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.433961][   T57] Workqueue: events_unbound linkwatch_event
[   10.434187][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.434392][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.434939][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   10.435148][   T57] RAX: 00000000ffffffa6 RBX: ff1100000526be00 RCX: 1ff400000007bf02
[   10.435378][   T57] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526beb8
[   10.435608][   T57] RBP: ff11000008a11000 R08: 1fe2200000a4d7d8 R09: ff1100000257d1a8
[   10.435853][   T57] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.436098][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.436338][   T57] FS:  0000000000000000(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   10.436598][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.436814][   T57] CR2: 000000002b7cd988 CR3: 0000000034b49006 CR4: 0000000000771ef0
[   10.437044][   T57] PKRU: 55555554
[   10.437190][   T57] Call Trace:
[   10.437328][   T57]  <TASK>
[   10.437438][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.437608][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.437791][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.437933][   T57]  netif_state_change (net/core/dev.c:1605)
[   10.438106][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.438313][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.438483][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.438665][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.438837][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.439007][   T57]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.439184][   T57]  process_one_work (kernel/workqueue.c:3314)
[   10.439364][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.439536][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.439722][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.439896][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.440068][   T57]  kthread (kernel/kthread.c:436)
[   10.440221][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.440420][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.440593][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.440778][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.440979][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.441156][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.441326][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.442874][   T57] ---[ end trace 0000000000000000 ]---
| [   10.477004][  T233] ------------[ cut here ]------------
| [   10.477183][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   10.477703][  T233] Tainted: [W]=WARN
[   10.477808][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.477978][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.478162][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.478654][  T233] RSP: 0018:ffa00000009a6e20 EFLAGS: 00010286
[   10.478829][  T233] RAX: 00000000ffffffa6 RBX: ff1100000b899e00 RCX: 1ff4000000134d8a
[   10.479035][  T233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b899eb8
[   10.479243][  T233] RBP: ff1100000d6ec000 R08: 1fe22000017133d8 R09: ff1100000c455180
[   10.479445][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.479655][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bab9908
[   10.479859][  T233] FS:  00007f2c5e01a840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   10.480098][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.480275][  T233] CR2: 00007f2c5e381f6d CR3: 000000000cc4f005 CR4: 0000000000771ef0
[   10.480480][  T233] PKRU: 55555554
[   10.480583][  T233] Call Trace:
[   10.480690][  T233]  <TASK>
[   10.480761][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.480899][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.481003][  T233]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.481175][  T233]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.481311][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   10.481448][  T233]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.481585][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   10.481727][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.481866][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.482004][  T233]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.482147][  T233]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.482282][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.482421][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.482559][  T233]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.482701][  T233]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.482837][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.482975][  T233]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.483112][  T233]  veth_newlink (drivers/net/veth.c:1871)
[   10.483255][  T233]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.483392][  T233]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.483530][  T233]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.483672][  T233]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.483821][  T233]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.483957][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.484097][  T233]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.484238][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.484373][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.484510][  T233]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.484655][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.484791][  T233]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.484927][  T233]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.485068][  T233]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.485211][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.485349][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.485485][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.485620][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.485764][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.485903][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.486040][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.486181][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.486317][  T233]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.486455][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.486593][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.486734][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.486870][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.487006][  T233]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.487146][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.487286][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.487422][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.487561][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.487703][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.487839][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.487975][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.488112][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.488252][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.488390][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.488527][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.488668][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.488839][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   10.488978][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   10.489122][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.489262][  T233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.489435][  T233]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.489572][  T233]  __sys_sendmsg (net/socket.c:2784)
[   10.489715][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.489854][  T233]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.489991][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.490134][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.490271][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.490406][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.490543][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.490716][  T233] RIP: 0033:0x7f2c5e25408e
[   10.490859][  T233] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.491348][  T233] RSP: 002b:00007ffc470f5e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.491551][  T233] RAX: ffffffffffffffda RBX: 00007ffc470f65f8 RCX: 00007f2c5e25408e
[   10.491759][  T233] RDX: 0000000000000000 RSI: 00007ffc470f5f00 RDI: 0000000000000005
[   10.491962][  T233] RBP: 00007ffc470f5e60 R08: 0000000000000000 R09: 0000000000000000
[   10.492174][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e6
[   10.492377][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc470f65c0
| [   10.493741][  T233] ---[ end trace 0000000000000000 ]---
| [   10.505450][  T233] ------------[ cut here ]------------
| [   10.505618][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   10.506190][  T233] Tainted: [W]=WARN
[   10.506291][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.506461][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.506694][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.507239][  T233] RSP: 0018:ffa00000009a71a0 EFLAGS: 00010286
[   10.507408][  T233] RAX: 00000000ffffffa6 RBX: ff11000009716900 RCX: 1ff4000000134dfa
[   10.507609][  T233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097169b8
[   10.507866][  T233] RBP: ff1100000ced9000 R08: 1fe22000012e2d38 R09: ff1100000c455180
[   10.508065][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.508272][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.508473][  T233] FS:  00007f2c5e01a840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   10.508762][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.508931][  T233] CR2: 00007f2c5e381f6d CR3: 000000000cc4f005 CR4: 0000000000771ef0
[   10.509135][  T233] PKRU: 55555554
[   10.509235][  T233] Call Trace:
[   10.509335][  T233]  <TASK>
[   10.509404][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.509540][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.509699][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   10.509833][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   10.509968][  T233]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.510102][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.510241][  T233]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.510377][  T233]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.510514][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.510703][  T233]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.510838][  T233]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.510977][  T233]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.511114][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.511254][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.511389][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.511525][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.511719][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.511854][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.511987][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.512125][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.512259][  T233]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.512392][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.512527][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.512718][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.512854][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.512988][  T233]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.513126][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.513265][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.513398][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.513536][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.513726][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.513863][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.513998][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.514135][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.514271][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.514407][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.514544][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.514734][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.514903][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   10.515042][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   10.515182][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.515322][  T233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.515497][  T233]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.515690][  T233]  __sys_sendmsg (net/socket.c:2784)
[   10.515827][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.515968][  T233]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.516104][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.516246][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.516382][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.516517][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.516709][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.516878][  T233] RIP: 0033:0x7f2c5e25408e
[   10.517019][  T233] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.517506][  T233] RSP: 002b:00007ffc470f5e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.517767][  T233] RAX: ffffffffffffffda RBX: 00007ffc470f65f8 RCX: 00007f2c5e25408e
[   10.517971][  T233] RDX: 0000000000000000 RSI: 00007ffc470f5f00 RDI: 0000000000000005
[   10.518179][  T233] RBP: 00007ffc470f5e60 R08: 0000000000000000 R09: 0000000000000000
[   10.518380][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e6
[   10.518582][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc470f65c0
| [   10.520046][  T233] ---[ end trace 0000000000000000 ]---
| [   10.603585][  T236] ------------[ cut here ]------------
| [   10.604188][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/236
| [   10.604696][  T236] Tainted: [W]=WARN
[   10.604796][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.604960][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.605136][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.605608][  T236] RSP: 0018:ffa00000009d7020 EFLAGS: 00010286
[   10.605779][  T236] RAX: 00000000ffffffa6 RBX: ff1100000d6a0900 RCX: 1ff400000013adca
[   10.605973][  T236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d6a09b8
[   10.606175][  T236] RBP: ff1100000ced9000 R08: 1fe2200001ad4138 R09: ff1100000b9bae58
[   10.606370][  T236] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.606564][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ced9ce1
[   10.606765][  T236] FS:  00007f0e1bae1840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   10.606994][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.607163][  T236] CR2: 00007f0e1bdb11a0 CR3: 0000000005621004 CR4: 0000000000771ef0
[   10.607361][  T236] PKRU: 55555554
[   10.607459][  T236] Call Trace:
[   10.607556][  T236]  <TASK>
[   10.607629][  T236]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.607765][  T236]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.607865][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.607998][  T236]  __dev_notify_flags (net/core/dev.c:9787)
[   10.608134][  T236]  ? netif_change_name (net/core/dev.c:1495)
[   10.608267][  T236]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.608399][  T236]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.608530][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.608666][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.608799][  T236]  netif_change_flags (net/core/dev.c:9820)
[   10.608933][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.609066][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.609204][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.609369][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.609501][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.609636][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.609771][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.609904][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.610036][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.610171][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.610302][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.610434][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.610565][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.610702][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.610835][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.610968][  T236]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.611098][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.611232][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.611364][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.611498][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.611636][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.611769][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.611901][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.612032][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.612169][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.612301][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.612432][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.612563][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.612701][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.612834][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.612966][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.613096][  T236]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.613231][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.613365][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.613498][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.613636][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.613768][  T236]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.613901][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.614035][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.614170][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.614303][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.614435][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.614568][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.614704][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.614836][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.614970][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.615103][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.615237][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.615369][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.615532][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.615670][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.615803][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.615937][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   10.616069][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.616240][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.616382][  T236]  __sys_sendmsg (net/socket.c:2784)
[   10.616515][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.616652][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.616819][  T236]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.616953][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.617086][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.617224][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.617357][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.617489][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.617660][  T236] RIP: 0033:0x7f0e1bd1b08e
[   10.617796][  T236] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.618270][  T236] RSP: 002b:00007ffc89a65bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.618468][  T236] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0e1bd1b08e
[   10.618669][  T236] RDX: 0000000000000000 RSI: 00007ffc89a65ca0 RDI: 0000000000000005
[   10.618867][  T236] RBP: 00007ffc89a65c00 R08: 0000000000000000 R09: 0000000000000000
[   10.619064][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   10.619266][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc89a66370
| [   10.620594][  T236] ---[ end trace 0000000000000000 ]---
| [   10.696893][  T239] ------------[ cut here ]------------
| [   10.697087][  T239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/239
| [   10.697930][  T239] Tainted: [W]=WARN
[   10.698140][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.698403][  T239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.698690][  T239] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.699264][  T239] RSP: 0018:ffa00000009f7020 EFLAGS: 00010286
[   10.699527][  T239] RAX: 00000000ffffffa6 RBX: ff1100000c740c80 RCX: 1ff400000013edca
[   10.699832][  T239] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c740d38
[   10.700142][  T239] RBP: ff1100000d6ec000 R08: 1fe22000018e81a8 R09: ff1100000a675158
[   10.700439][  T239] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.700745][  T239] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d6ecce1
[   10.701043][  T239] FS:  00007f1e2edbb840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   10.701381][  T239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.701662][  T239] CR2: 000000001128a988 CR3: 0000000004b47006 CR4: 0000000000771ef0
[   10.701959][  T239] PKRU: 55555554
[   10.702164][  T239] Call Trace:
[   10.702360][  T239]  <TASK>
[   10.702553][  T239]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.702795][  T239]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.703006][  T239]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.703282][  T239]  __dev_notify_flags (net/core/dev.c:9787)
[   10.703535][  T239]  ? netif_change_name (net/core/dev.c:1495)
[   10.703771][  T239]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.703947][  T239]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.704134][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.704316][  T239]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.704497][  T239]  netif_change_flags (net/core/dev.c:9820)
[   10.704694][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.704875][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.705053][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.705273][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.705451][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.705641][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.705819][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.706000][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.706187][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.706363][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.706542][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.706733][  T239]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.706909][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.707089][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.707277][  T239]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.707455][  T239]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.707647][  T239]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.707826][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.708006][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.708195][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.708378][  T239]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.708558][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.708747][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.708923][  T239]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.709103][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.709286][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.709467][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.709655][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.709834][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.710011][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.710197][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.710373][  T239]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.710548][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.710741][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.710917][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.711096][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.711279][  T239]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.711457][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.711651][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.711830][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.712012][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.712197][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.712374][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.712552][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.712740][  T239]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.712921][  T239]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.713102][  T239]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.713287][  T239]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.713463][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.713684][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   10.713864][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.714041][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.714231][  T239]  ___sys_sendmsg (net/socket.c:2752)
[   10.714407][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.714616][  T239]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.714817][  T239]  __sys_sendmsg (net/socket.c:2784)
[   10.714994][  T239]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.715182][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.715396][  T239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.715576][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.715767][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.715944][  T239]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.716126][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.716306][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.716516][  T239] RIP: 0033:0x7f1e2eff508e
[   10.716709][  T239] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.717225][  T239] RSP: 002b:00007ffd61e78a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.717469][  T239] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1e2eff508e
[   10.717728][  T239] RDX: 0000000000000000 RSI: 00007ffd61e78b00 RDI: 0000000000000005
[   10.717975][  T239] RBP: 00007ffd61e78a60 R08: 0000000000000000 R09: 0000000000000000
[   10.718226][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   10.718466][  T239] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd61e791d0
| [   10.720146][  T239] ---[ end trace 0000000000000000 ]---
| [   10.727539][   T57] ------------[ cut here ]------------
| [   10.727699][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/57
| [   10.728244][   T57] Tainted: [W]=WARN
[   10.728337][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.728491][   T57] Workqueue: events_unbound linkwatch_event
[   10.728658][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.728821][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.729263][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   10.729423][   T57] RAX: 00000000ffffffa6 RBX: ff11000009289700 RCX: 1ff400000007bf02
[   10.729612][   T57] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092897b8
[   10.729814][   T57] RBP: ff1100000d6ec000 R08: 1fe22000012512f8 R09: ff1100000257d1a8
[   10.729996][   T57] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.730183][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.730369][   T57] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   10.730589][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.730755][   T57] CR2: 00007fbcc87a3574 CR3: 0000000034b49006 CR4: 0000000000771ef0
[   10.730944][   T57] PKRU: 55555554
[   10.731037][   T57] Call Trace:
[   10.731131][   T57]  <TASK>
[   10.731196][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.731322][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.731445][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.731538][   T57]  netif_state_change (net/core/dev.c:1605)
[   10.731669][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.731824][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.731951][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.732074][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.732203][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.732325][   T57]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.732448][   T57]  process_one_work (kernel/workqueue.c:3314)
[   10.732576][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.732704][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.732830][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.732956][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.733084][   T57]  kthread (kernel/kthread.c:436)
[   10.733184][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.733341][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.733464][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.733588][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.733748][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.733872][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.733996][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.735185][   T57] ---[ end trace 0000000000000000 ]---
| [   10.736934][   T57] ------------[ cut here ]------------
| [   10.737073][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/57
| [   10.737614][   T57] Tainted: [W]=WARN
[   10.737715][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.737870][   T57] Workqueue: events_unbound linkwatch_event
[   10.738031][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.738200][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.738660][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   10.738817][   T57] RAX: 00000000ffffffa6 RBX: ff11000009288ac0 RCX: 1ff400000007bf02
[   10.739000][   T57] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009288b78
[   10.739194][   T57] RBP: ff1100000ced9000 R08: 1fe2200001251170 R09: ff1100000257d1a8
[   10.739378][   T57] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.739564][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.739826][   T57] FS:  0000000000000000(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   10.740046][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.740204][   T57] CR2: 00007f1e2ee88574 CR3: 0000000034b49002 CR4: 0000000000771ef0
[   10.740408][   T57] PKRU: 55555554
[   10.740501][   T57] Call Trace:
[   10.740595][   T57]  <TASK>
[   10.740739][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.740932][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.741061][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.741159][   T57]  netif_state_change (net/core/dev.c:1605)
[   10.741286][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.741448][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.741573][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.741779][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.741905][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.742028][   T57]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.742154][   T57]  process_one_work (kernel/workqueue.c:3314)
[   10.742282][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.742405][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.742534][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.742730][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.742854][   T57]  kthread (kernel/kthread.c:436)
[   10.742948][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.743101][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.743228][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.743358][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.743518][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.743720][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.743843][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.745093][   T57] ---[ end trace 0000000000000000 ]---
| [   10.775183][  T240] ------------[ cut here ]------------
| [   10.775401][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/240
| [   10.776218][  T240] Tainted: [W]=WARN
[   10.776368][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.776588][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.776826][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.777367][  T240] RSP: 0018:ffa0000000a06e20 EFLAGS: 00010286
[   10.777588][  T240] RAX: 00000000ffffffa6 RBX: ff1100000f8a8900 RCX: 1ff4000000140d8a
[   10.777861][  T240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8a89b8
[   10.778110][  T240] RBP: ff1100000c989000 R08: 1fe2200001f15138 R09: ff1100000a672e80
[   10.778367][  T240] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.778620][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059b8788
[   10.778887][  T240] FS:  00007f6d4c570840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   10.779180][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.779399][  T240] CR2: 000000000042ebe0 CR3: 00000000092e3002 CR4: 0000000000771ef0
[   10.779664][  T240] PKRU: 55555554
[   10.779814][  T240] Call Trace:
[   10.779972][  T240]  <TASK>
[   10.780089][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.780284][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.780434][  T240]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.780665][  T240]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.780850][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   10.781036][  T240]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.781226][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   10.781408][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.781593][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.781788][  T240]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.781971][  T240]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.782162][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.782348][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.782532][  T240]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.782729][  T240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.782913][  T240]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.783096][  T240]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.783288][  T240]  veth_newlink (drivers/net/veth.c:1871)
[   10.783473][  T240]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.783670][  T240]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.783856][  T240]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.784040][  T240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.784245][  T240]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.784426][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.784610][  T240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.784806][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.784994][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.785185][  T240]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.785370][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.785552][  T240]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.785744][  T240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.785932][  T240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.786129][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.786313][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.786497][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.786691][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.786877][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.787063][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.787255][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.787439][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.787621][  T240]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.787816][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.788005][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.788194][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.788378][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.788560][  T240]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.788756][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.788944][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.789132][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.789320][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.789504][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.789702][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.789886][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.790070][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.790263][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.790446][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.790640][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.790824][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.791041][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   10.791235][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   10.791421][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.791607][  T240]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.791840][  T240]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.792027][  T240]  __sys_sendmsg (net/socket.c:2784)
[   10.792221][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.792408][  T240]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.792591][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.792788][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.792972][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.793161][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.793346][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.793565][  T240] RIP: 0033:0x7f6d4c7aa08e
[   10.793766][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.794299][  T240] RSP: 002b:00007ffc84b25a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.794550][  T240] RAX: ffffffffffffffda RBX: 00007ffc84b26228 RCX: 00007f6d4c7aa08e
[   10.794809][  T240] RDX: 0000000000000000 RSI: 00007ffc84b25b30 RDI: 0000000000000005
[   10.795060][  T240] RBP: 00007ffc84b25a90 R08: 0000000000000000 R09: 0000000000000000
[   10.795319][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   10.795568][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc84b261f0
| [   10.797297][  T240] ---[ end trace 0000000000000000 ]---
| [   10.803521][  T240] ------------[ cut here ]------------
| [   10.803720][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/240
| [   10.804243][  T240] Tainted: [W]=WARN
[   10.804347][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.804519][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.804703][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.805197][  T240] RSP: 0018:ffa0000000a071a0 EFLAGS: 00010286
[   10.805370][  T240] RAX: 00000000ffffffa6 RBX: ff1100000f8d8580 RCX: 1ff4000000140dfa
[   10.805574][  T240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d8638
[   10.805790][  T240] RBP: ff1100000c98c000 R08: 1fe2200001f1b0c8 R09: ff1100000a672e80
[   10.805994][  T240] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.806203][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.806408][  T240] FS:  00007f6d4c570840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   10.806657][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.806830][  T240] CR2: 000055692b6bad5c CR3: 00000000092e3002 CR4: 0000000000771ef0
[   10.807035][  T240] PKRU: 55555554
[   10.807145][  T240] Call Trace:
[   10.807247][  T240]  <TASK>
[   10.807319][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.807458][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.807563][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   10.807707][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   10.807845][  T240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.807982][  T240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.808127][  T240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.808265][  T240]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.808403][  T240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.808540][  T240]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.808688][  T240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.808830][  T240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.808970][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.809110][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.809254][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.809390][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.809529][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.809676][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.809814][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.809951][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.810088][  T240]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.810243][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.810380][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.810516][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.810660][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.810800][  T240]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.810941][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.811080][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.811222][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.811361][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.811500][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.811644][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.811782][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.811925][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.812064][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.812207][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.812346][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.812483][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.812658][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   10.812799][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   10.812940][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.813079][  T240]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.813260][  T240]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.813399][  T240]  __sys_sendmsg (net/socket.c:2784)
[   10.813536][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.813680][  T240]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.813818][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.813960][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.814098][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.814241][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.814378][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.814548][  T240] RIP: 0033:0x7f6d4c7aa08e
[   10.814697][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.815188][  T240] RSP: 002b:00007ffc84b25a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.815394][  T240] RAX: ffffffffffffffda RBX: 00007ffc84b26228 RCX: 00007f6d4c7aa08e
[   10.815599][  T240] RDX: 0000000000000000 RSI: 00007ffc84b25b30 RDI: 0000000000000005
[   10.815807][  T240] RBP: 00007ffc84b25a90 R08: 0000000000000000 R09: 0000000000000000
[   10.816015][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   10.816223][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc84b261f0
| [   10.817607][  T240] ---[ end trace 0000000000000000 ]---
| [   10.888924][  T243] ------------[ cut here ]------------
| [   10.889127][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/243
| [   10.889735][  T243] Tainted: [W]=WARN
[   10.889879][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.890089][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.890313][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.890838][  T243] RSP: 0018:ffa0000000a27020 EFLAGS: 00010286
[   10.891048][  T243] RAX: 00000000ffffffa6 RBX: ff11000002785e00 RCX: 1ff4000000144dca
[   10.891293][  T243] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002785eb8
[   10.891535][  T243] RBP: ff1100000c98c000 R08: 1fe22000004f0bd8 R09: ff1100000cc60b58
[   10.891790][  T243] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.892030][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c98cce1
[   10.892281][  T243] FS:  00007f88030de840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   10.892555][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.892777][  T243] CR2: 0000000012da8988 CR3: 000000000ca97001 CR4: 0000000000771ef0
[   10.893019][  T243] PKRU: 55555554
[   10.893170][  T243] Call Trace:
[   10.893313][  T243]  <TASK>
[   10.893426][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.893604][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.893762][  T243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.893940][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   10.894129][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   10.894307][  T243]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.894485][  T243]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.895287][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.895552][  T243]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.895835][  T243]  netif_change_flags (net/core/dev.c:9820)
[   10.896014][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.896199][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.896377][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.896588][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.896774][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.896951][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.897134][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.897315][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.897494][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.897684][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.897863][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.898039][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.898224][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.898402][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.898581][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.898775][  T243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.898952][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.899139][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.899319][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.899499][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.899694][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.899874][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.900054][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.900239][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.900419][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.900597][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.900789][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.900968][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.901153][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.901332][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.901512][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.901702][  T243]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.901880][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.902058][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.902243][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.902422][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.902599][  T243]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.902789][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.902973][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.903159][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.903339][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.903517][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.903707][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.903887][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.904066][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.904256][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.904435][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.904613][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.904803][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.905011][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   10.905197][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.905376][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.905558][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   10.905745][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.905956][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.906151][  T243]  __sys_sendmsg (net/socket.c:2784)
[   10.906327][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.906503][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.906729][  T243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.906909][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.907092][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.907279][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.907456][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.907646][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.907855][  T243] RIP: 0033:0x7f880331808e
[   10.908039][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.908557][  T243] RSP: 002b:00007ffdf5522710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.908815][  T243] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f880331808e
[   10.909057][  T243] RDX: 0000000000000000 RSI: 00007ffdf55227c0 RDI: 0000000000000005
[   10.909307][  T243] RBP: 00007ffdf5522720 R08: 0000000000000000 R09: 0000000000000000
[   10.909549][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   10.909802][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf5522e90
| [   10.911460][  T243] ---[ end trace 0000000000000000 ]---
| [   10.995728][  T246] ------------[ cut here ]------------
| [   10.995900][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/246
| [   10.996397][  T246] Tainted: [W]=WARN
[   10.996494][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.996665][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.996887][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.997355][  T246] RSP: 0018:ffa0000000a57020 EFLAGS: 00010286
[   10.997525][  T246] RAX: 00000000ffffffa6 RBX: ff1100000f8d9380 RCX: 1ff400000014adca
[   10.997722][  T246] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d9438
[   10.997943][  T246] RBP: ff1100000c989000 R08: 1fe2200001f1b288 R09: ff1100000a670b58
[   10.998142][  T246] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.998356][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c989ce1
[   10.998567][  T246] FS:  00007fa51049d840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   10.998799][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.998966][  T246] CR2: 000000001b734988 CR3: 000000000fc8f003 CR4: 0000000000771ef0
[   10.999171][  T246] PKRU: 55555554
[   10.999286][  T246] Call Trace:
[   10.999382][  T246]  <TASK>
[   10.999448][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.999578][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.999681][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.999810][  T246]  __dev_notify_flags (net/core/dev.c:9787)
[   10.999958][  T246]  ? netif_change_name (net/core/dev.c:1495)
[   11.000088][  T246]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.000220][  T246]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.000349][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.000481][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.000636][  T246]  netif_change_flags (net/core/dev.c:9820)
[   11.000789][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.000931][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.001065][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.001234][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.001363][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.001491][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.001716][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.001854][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.001984][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.002113][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.002245][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.002376][  T246]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.002508][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.002719][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.002975][  T246]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.003111][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.003259][  T246]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.003419][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.003551][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.003768][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.003900][  T246]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.004034][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.004173][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.004302][  T246]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.004433][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.004560][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.004753][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.004884][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.005017][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.005170][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.005306][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.005434][  T246]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.005561][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.005778][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.005932][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.006069][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.006203][  T246]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.006332][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.006464][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.006592][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.006798][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.006951][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.007080][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.007216][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.007346][  T246]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.007475][  T246]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.007604][  T246]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.007786][  T246]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.007915][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.008073][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   11.008207][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.008336][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.008465][  T246]  ___sys_sendmsg (net/socket.c:2752)
[   11.008592][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.008804][  T246]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.008943][  T246]  __sys_sendmsg (net/socket.c:2784)
[   11.009073][  T246]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.009203][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.009363][  T246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.009493][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.009622][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.009804][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.009932][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.010060][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.010225][  T246] RIP: 0033:0x7fa5106d708e
[   11.010358][  T246] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.010899][  T246] RSP: 002b:00007ffebca341e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.011093][  T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa5106d708e
[   11.011288][  T246] RDX: 0000000000000000 RSI: 00007ffebca34290 RDI: 0000000000000005
[   11.011497][  T246] RBP: 00007ffebca341f0 R08: 0000000000000000 R09: 0000000000000000
[   11.011727][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.011920][  T246] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebca34960
| [   11.013209][  T246] ---[ end trace 0000000000000000 ]---
| [   11.014581][   T39] ------------[ cut here ]------------
| [   11.014746][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   11.015291][   T39] Tainted: [W]=WARN
[   11.015381][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.015531][   T39] Workqueue: events_unbound linkwatch_event
[   11.015718][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.015878][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.016331][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   11.016526][   T39] RAX: 00000000ffffffa6 RBX: ff110000093db1c0 RCX: 1ff4000000057f02
[   11.016723][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093db278
[   11.016905][   T39] RBP: ff1100000c989000 R08: 1fe220000127b650 R09: ff11000001d951a8
[   11.017083][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.017263][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.017449][   T39] FS:  0000000000000000(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   11.017715][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.017897][   T39] CR2: 000055692b6bad5c CR3: 0000000004a52004 CR4: 0000000000771ef0
[   11.018078][   T39] PKRU: 55555554
[   11.018173][   T39] Call Trace:
[   11.018261][   T39]  <TASK>
[   11.018322][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.018443][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.018592][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.018693][   T39]  netif_state_change (net/core/dev.c:1605)
[   11.018813][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.018980][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.019105][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.019234][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.019360][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.019476][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.019605][   T39]  process_one_work (kernel/workqueue.c:3314)
[   11.019735][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.019855][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.019977][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.020099][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.020229][   T39]  kthread (kernel/kthread.c:436)
[   11.020323][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.020483][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.020603][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.020727][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.020876][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.020997][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.021126][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.022310][   T39] ---[ end trace 0000000000000000 ]---
| [   11.025582][   T39] ------------[ cut here ]------------
| [   11.025733][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   11.026338][   T39] Tainted: [W]=WARN
[   11.026429][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.026585][   T39] Workqueue: events_unbound linkwatch_event
[   11.026749][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.026904][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.027362][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   11.027530][   T39] RAX: 00000000ffffffa6 RBX: ff110000093da900 RCX: 1ff4000000057f02
[   11.027779][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093da9b8
[   11.028000][   T39] RBP: ff1100000c98c000 R08: 1fe220000127b538 R09: ff11000001d951a8
[   11.028217][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.028403][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.028591][   T39] FS:  0000000000000000(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.028808][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.028963][   T39] CR2: 00007fa51056a574 CR3: 0000000034b49004 CR4: 0000000000771ef0
[   11.029156][   T39] PKRU: 55555554
[   11.029246][   T39] Call Trace:
[   11.029335][   T39]  <TASK>
[   11.029400][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.029542][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.029668][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.029760][   T39]  netif_state_change (net/core/dev.c:1605)
[   11.029882][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.030032][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.030180][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.030302][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.030449][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.030579][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.030705][   T39]  process_one_work (kernel/workqueue.c:3314)
[   11.030828][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.030948][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.031072][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.031200][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.031318][   T39]  kthread (kernel/kthread.c:436)
[   11.031423][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.031579][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.031788][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.031911][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.032069][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.032199][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.032322][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.033763][   T39] ---[ end trace 0000000000000000 ]---
| [   11.057575][  T247] ------------[ cut here ]------------
| [   11.058144][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/247
| [   11.058966][  T247] Tainted: [W]=WARN
[   11.059122][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.059369][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.059638][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.060329][  T247] RSP: 0018:ffa0000000a66e20 EFLAGS: 00010286
[   11.060573][  T247] RAX: 00000000ffffffa6 RBX: ff11000008a8e3c0 RCX: 1ff400000014cd8a
[   11.060897][  T247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a8e478
[   11.061188][  T247] RBP: ff1100000856c000 R08: 1fe2200001151c90 R09: ff1100000bad8b80
[   11.061400][  T247] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.061601][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c8a388
[   11.061865][  T247] FS:  00007f0028b04840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   11.062125][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.062294][  T247] CR2: 000000000042ebe0 CR3: 000000000f92b004 CR4: 0000000000771ef0
[   11.062498][  T247] PKRU: 55555554
[   11.062602][  T247] Call Trace:
[   11.062758][  T247]  <TASK>
[   11.062827][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.062963][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.063063][  T247]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.063232][  T247]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.063450][  T247]  __dev_notify_flags (net/core/dev.c:9787)
[   11.063585][  T247]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.063776][  T247]  ? netif_change_name (net/core/dev.c:1495)
[   11.063920][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.064053][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.064193][  T247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.064329][  T247]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.064469][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.064604][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.064790][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.064923][  T247]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.065059][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.065204][  T247]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.065360][  T247]  veth_newlink (drivers/net/veth.c:1871)
[   11.065498][  T247]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.065636][  T247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.065770][  T247]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.065901][  T247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.066045][  T247]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.066226][  T247]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.066366][  T247]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.066499][  T247]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.066638][  T247]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.066773][  T247]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.066905][  T247]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.067056][  T247]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.067201][  T247]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.067345][  T247]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.067483][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.067619][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.067761][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.067894][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.068029][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.068194][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.068328][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.068459][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.068628][  T247]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.068765][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.068900][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.069033][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.069172][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.069333][  T247]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.069466][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.069601][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.069768][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.069902][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.070036][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.070174][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.070306][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.070440][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.070596][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.070742][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.070875][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.071010][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.071182][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.071318][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.071473][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.071617][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.071792][  T247]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.071937][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.072114][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.072257][  T247]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.072389][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.072524][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.072663][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.072811][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.072949][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.073136][  T247] RIP: 0033:0x7f0028d3e08e
[   11.073277][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.073759][  T247] RSP: 002b:00007ffd395b4580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.073963][  T247] RAX: ffffffffffffffda RBX: 00007ffd395b4d28 RCX: 00007f0028d3e08e
[   11.074168][  T247] RDX: 0000000000000000 RSI: 00007ffd395b4630 RDI: 0000000000000005
[   11.074369][  T247] RBP: 00007ffd395b4590 R08: 0000000000000000 R09: 0000000000000000
[   11.074572][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.074774][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd395b4cf0
| [   11.076211][  T247] ---[ end trace 0000000000000000 ]---
| [   11.089726][  T247] ------------[ cut here ]------------
| [   11.089891][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/247
| [   11.090389][  T247] Tainted: [W]=WARN
[   11.090487][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.090714][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.090922][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.091530][  T247] RSP: 0018:ffa0000000a671a0 EFLAGS: 00010286
[   11.091701][  T247] RAX: 00000000ffffffa6 RBX: ff1100000fb73540 RCX: 1ff400000014cdfa
[   11.091918][  T247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fb735f8
[   11.092115][  T247] RBP: ff11000008be1000 R08: 1fe2200001f6e6c0 R09: ff1100000bad8b80
[   11.092326][  T247] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.092526][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.092727][  T247] FS:  00007f0028b04840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.092967][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.093139][  T247] CR2: 00007fa51056a574 CR3: 000000000f92b004 CR4: 0000000000771ef0
[   11.093335][  T247] PKRU: 55555554
[   11.093445][  T247] Call Trace:
[   11.093543][  T247]  <TASK>
[   11.093610][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.093748][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.093847][  T247]  __dev_notify_flags (net/core/dev.c:9787)
[   11.093979][  T247]  ? netif_change_name (net/core/dev.c:1495)
[   11.094124][  T247]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.094262][  T247]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.094397][  T247]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.094529][  T247]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.094665][  T247]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.094796][  T247]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.094926][  T247]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.095061][  T247]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.095202][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.095335][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.095466][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.095597][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.095736][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.095867][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.095999][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.096131][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.096263][  T247]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.096417][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.096556][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.096691][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.096823][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.096955][  T247]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.097092][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.097235][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.097366][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.097498][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.097671][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.097803][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.097935][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.098068][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.098229][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.098370][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.098524][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.098668][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.098831][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.098965][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.099096][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.099234][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.099402][  T247]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.099535][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.099670][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.099805][  T247]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.099937][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.100069][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.100274][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.100404][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.100536][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.100727][  T247] RIP: 0033:0x7f0028d3e08e
[   11.100868][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.101347][  T247] RSP: 002b:00007ffd395b4580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.101549][  T247] RAX: ffffffffffffffda RBX: 00007ffd395b4d28 RCX: 00007f0028d3e08e
[   11.101757][  T247] RDX: 0000000000000000 RSI: 00007ffd395b4630 RDI: 0000000000000005
[   11.101956][  T247] RBP: 00007ffd395b4590 R08: 0000000000000000 R09: 0000000000000000
[   11.102171][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.102367][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd395b4cf0
| [   11.103736][  T247] ---[ end trace 0000000000000000 ]---
| [   11.189320][  T250] ------------[ cut here ]------------
| [   11.189512][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   11.190668][  T250] Tainted: [W]=WARN
[   11.190863][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.191128][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.191398][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.191963][  T250] RSP: 0018:ffa0000000a97020 EFLAGS: 00010286
[   11.192278][  T250] RAX: 00000000ffffffa6 RBX: ff1100000fb7c3c0 RCX: 1ff4000000152dca
[   11.192597][  T250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fb7c478
[   11.192937][  T250] RBP: ff11000008be1000 R08: 1fe2200001f6f890 R09: ff11000008d85158
[   11.193268][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.193557][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008be1ce1
[   11.193869][  T250] FS:  00007f97850c6840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   11.194199][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.194456][  T250] CR2: 000000001dea6988 CR3: 000000000fd50004 CR4: 0000000000771ef0
[   11.194706][  T250] PKRU: 55555554
[   11.194849][  T250] Call Trace:
[   11.194991][  T250]  <TASK>
[   11.195104][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.195288][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.195435][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.195610][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   11.195801][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   11.195979][  T250]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.196165][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.196343][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.196522][  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))
[   11.196720][  T250]  netif_change_flags (net/core/dev.c:9820)
[   11.196901][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.197080][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.197262][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.197469][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.197656][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.197833][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.198013][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.198258][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.198436][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.198614][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.198801][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.198975][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.199156][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.199336][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.199511][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.199700][  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)
[   11.199874][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.200055][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.200238][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.200416][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.200603][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.200799][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.200978][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.201164][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.201345][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.201522][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.201710][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.201884][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.202064][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.202247][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.202422][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.202595][  T250]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.202778][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.202957][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.203139][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.203319][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.203497][  T250]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.203689][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.203868][  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))
[   11.204047][  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))
[   11.204230][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.204405][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.204579][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.204766][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.204942][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.205125][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.205304][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.205478][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.205667][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.205872][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.206046][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.206228][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.206405][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.206577][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.206794][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.206979][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.207160][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.207332][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.207542][  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)
[   11.207729][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.207903][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.208076][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.208287][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.208460][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.208677][  T250] RIP: 0033:0x7f978530008e
[   11.208855][  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
[   11.209358][  T250] RSP: 002b:00007ffd60529a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.209598][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f978530008e
[   11.209851][  T250] RDX: 0000000000000000 RSI: 00007ffd60529ab0 RDI: 0000000000000005
[   11.210088][  T250] RBP: 00007ffd60529a10 R08: 0000000000000000 R09: 0000000000000000
[   11.210330][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.210568][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6052a180
| [   11.212206][  T250] ---[ end trace 0000000000000000 ]---
| [   11.221114][   T39] ------------[ cut here ]------------
| [   11.221297][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   11.221919][   T39] Tainted: [W]=WARN
[   11.222058][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.222271][   T39] Workqueue: events_unbound linkwatch_event
[   11.222475][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.222692][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.223164][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   11.223421][   T39] RAX: 00000000ffffffa6 RBX: ff1100000fafd000 RCX: 1ff4000000057f02
[   11.223673][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fafd0b8
[   11.223939][   T39] RBP: ff11000009f21000 R08: 1fe2200001f5fa18 R09: ff11000001d951a8
[   11.224168][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   11.224389][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.224615][   T39] FS:  0000000000000000(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   11.224909][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.225105][   T39] CR2: 000000001dea6988 CR3: 0000000034b49005 CR4: 0000000000771ef0
[   11.225336][   T39] PKRU: 55555554
[   11.225470][   T39] Call Trace:
[   11.225606][   T39]  <TASK>
[   11.225738][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.225914][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.226082][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.226231][   T39]  netif_state_change (net/core/dev.c:1605)
[   11.226399][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.226593][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.226767][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.226933][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.227125][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.227295][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.227470][   T39]  process_one_work (kernel/workqueue.c:3314)
[   11.227652][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.227818][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.227989][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.228165][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.228333][   T39]  kthread (kernel/kthread.c:436)
[   11.228471][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.228705][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.228872][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.229040][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.229245][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.229418][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.229584][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.231151][   T39] ---[ end trace 0000000000000000 ]---
| [   11.304783][  T253] ------------[ cut here ]------------
| [   11.304978][  T253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/253
| [   11.305576][  T253] Tainted: [W]=WARN
[   11.305751][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.305961][  T253] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.306189][  T253] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.306745][  T253] RSP: 0018:ffa0000000aa7020 EFLAGS: 00010286
[   11.306959][  T253] RAX: 00000000ffffffa6 RBX: ff1100000526a200 RCX: 1ff4000000154dca
[   11.307224][  T253] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526a2b8
[   11.307471][  T253] RBP: ff1100000856c000 R08: 1fe2200000a4d458 R09: ff1100000cb6d158
[   11.307727][  T253] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.307974][  T253] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000856cce1
[   11.308228][  T253] FS:  00007f2af336f840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   11.308505][  T253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.308733][  T253] CR2: 0000000012da8988 CR3: 000000000fd57001 CR4: 0000000000771ef0
[   11.308979][  T253] PKRU: 55555554
[   11.309130][  T253] Call Trace:
[   11.309277][  T253]  <TASK>
[   11.309393][  T253]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.309576][  T253]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.309737][  T253]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.309917][  T253]  __dev_notify_flags (net/core/dev.c:9787)
[   11.310100][  T253]  ? netif_change_name (net/core/dev.c:1495)
[   11.310287][  T253]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.310466][  T253]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.310659][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.310843][  T253]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.311026][  T253]  netif_change_flags (net/core/dev.c:9820)
[   11.311216][  T253]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.311398][  T253]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.311578][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.311803][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.311984][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.312168][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.312349][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.312530][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.312728][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.312906][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.313088][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.313278][  T253]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.313459][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.313653][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.313833][  T253]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.314017][  T253]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.314203][  T253]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.314386][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.314567][  T253]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.314762][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.314946][  T253]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.315134][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.315313][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.315492][  T253]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.315688][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.315867][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.316049][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.316232][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.316412][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.316592][  T253]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.316781][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.316961][  T253]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.317145][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.317328][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.317509][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.317706][  T253]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.317886][  T253]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.318066][  T253]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.318258][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.318436][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.318617][  T253]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.318811][  T253]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.318991][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.319180][  T253]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.319360][  T253]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.319540][  T253]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.319735][  T253]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.319914][  T253]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.320094][  T253]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.320311][  T253]  ? move_addr_to_kernel (net/socket.c:258)
[   11.320493][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.320687][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.320867][  T253]  ___sys_sendmsg (net/socket.c:2752)
[   11.321047][  T253]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.321263][  T253]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.321452][  T253]  __sys_sendmsg (net/socket.c:2784)
[   11.321645][  T253]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.321824][  T253]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.322037][  T253]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.322226][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.322406][  T253]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.322586][  T253]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.322776][  T253]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.322957][  T253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.323175][  T253] RIP: 0033:0x7f2af35a908e
[   11.323359][  T253] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.323883][  T253] RSP: 002b:00007ffeb0b93ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.324133][  T253] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2af35a908e
[   11.324377][  T253] RDX: 0000000000000000 RSI: 00007ffeb0b93b90 RDI: 0000000000000005
[   11.324621][  T253] RBP: 00007ffeb0b93af0 R08: 0000000000000000 R09: 0000000000000000
[   11.324877][  T253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.325128][  T253] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb0b94260
| [   11.326804][  T253] ---[ end trace 0000000000000000 ]---
| [   11.328212][   T57] ------------[ cut here ]------------
| [   11.328352][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/57
| [   11.328969][   T57] Tainted: [W]=WARN
[   11.329064][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.329222][   T57] Workqueue: events_unbound linkwatch_event
[   11.329381][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.329540][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.329980][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   11.330139][   T57] RAX: 00000000ffffffa6 RBX: ff1100000b898e40 RCX: 1ff400000007bf02
[   11.330325][   T57] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b898ef8
[   11.330507][   T57] RBP: ff1100000856c000 R08: 1fe22000017131e0 R09: ff1100000257d1a8
[   11.330720][   T57] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.330903][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.331090][   T57] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   11.331310][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.331465][   T57] CR2: 00007fb6aeb71574 CR3: 0000000034b49001 CR4: 0000000000771ef0
[   11.331657][   T57] PKRU: 55555554
[   11.331750][   T57] Call Trace:
[   11.331843][   T57]  <TASK>
[   11.331908][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.332033][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.332167][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.332261][   T57]  netif_state_change (net/core/dev.c:1605)
[   11.332385][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.332541][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.332670][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.332796][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.332921][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.333044][   T57]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.333173][   T57]  process_one_work (kernel/workqueue.c:3314)
[   11.333300][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.333424][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.333551][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.333684][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.333810][   T57]  kthread (kernel/kthread.c:436)
[   11.333902][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.334056][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.334185][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.334309][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.334462][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.334587][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.334722][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.335898][   T57] ---[ end trace 0000000000000000 ]---
| [   11.336604][   T57] ------------[ cut here ]------------
| [   11.336742][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/57
| [   11.337264][   T57] Tainted: [W]=WARN
[   11.337356][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.337509][   T57] Workqueue: events_unbound linkwatch_event
[   11.337673][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.337831][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.338298][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   11.338452][   T57] RAX: 00000000ffffffa6 RBX: ff1100000c7991c0 RCX: 1ff400000007bf02
[   11.338648][   T57] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c799278
[   11.338829][   T57] RBP: ff11000008be1000 R08: 1fe22000018f3250 R09: ff1100000257d1a8
[   11.339010][   T57] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.339196][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.339380][   T57] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   11.339593][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.339751][   T57] CR2: 00007fb6aeb71574 CR3: 0000000034b49001 CR4: 0000000000771ef0
[   11.339935][   T57] PKRU: 55555554
[   11.340027][   T57] Call Trace:
[   11.340120][   T57]  <TASK>
[   11.340186][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.340308][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.340431][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.340524][   T57]  netif_state_change (net/core/dev.c:1605)
[   11.340653][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.340807][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.340928][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.341052][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.341182][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.341306][   T57]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.341437][   T57]  process_one_work (kernel/workqueue.c:3314)
[   11.341587][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.341716][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.341841][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.341968][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.342092][   T57]  kthread (kernel/kthread.c:436)
[   11.342187][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.342339][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.342463][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.342585][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.342742][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.342864][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.342988][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.344156][   T57] ---[ end trace 0000000000000000 ]---
| [   11.376017][  T254] ------------[ cut here ]------------
| [   11.376185][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/254
| [   11.376707][  T254] Tainted: [W]=WARN
[   11.376811][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.376981][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.377163][  T254] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.377647][  T254] RSP: 0018:ffa0000000ab6e20 EFLAGS: 00010286
[   11.377819][  T254] RAX: 00000000ffffffa6 RBX: ff1100000526b8c0 RCX: 1ff4000000156d8a
[   11.378020][  T254] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526b978
[   11.378231][  T254] RBP: ff1100000c5f1000 R08: 1fe2200000a4d730 R09: ff11000004b10b80
[   11.378435][  T254] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.378641][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b37bc08
[   11.378845][  T254] FS:  00007f17cc32a840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.379085][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.379261][  T254] CR2: 00007f17cc691f6d CR3: 000000000ca42004 CR4: 0000000000771ef0
[   11.379467][  T254] PKRU: 55555554
[   11.379569][  T254] Call Trace:
[   11.379674][  T254]  <TASK>
[   11.379744][  T254]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.379881][  T254]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.379984][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.380156][  T254]  __dev_notify_flags (net/core/dev.c:9787)
[   11.380292][  T254]  ? __mod_timer (kernel/time/timer.c:1139 (discriminator 3))
[   11.380431][  T254]  ? netif_change_name (net/core/dev.c:1495)
[   11.380567][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.380705][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.380840][  T254]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.380977][  T254]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.381112][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.381255][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.381392][  T254]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.381529][  T254]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.381670][  T254]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.381806][  T254]  veth_newlink (drivers/net/veth.c:1871)
[   11.381946][  T254]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.382080][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.382223][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.382359][  T254]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.382509][  T254]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.382650][  T254]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.382787][  T254]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.382923][  T254]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.383061][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.383202][  T254]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.383338][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.383474][  T254]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.383611][  T254]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.383756][  T254]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.383894][  T254]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.384032][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.384170][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.384306][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.384444][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.384580][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.384721][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.384857][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.384992][  T254]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.385131][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.385269][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.385404][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.385539][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.385680][  T254]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.385817][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.385956][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.386091][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.386233][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.386368][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.386503][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.386643][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.386780][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.386917][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.387054][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.387193][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.387328][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.387495][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   11.387639][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   11.387775][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.387914][  T254]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.388087][  T254]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.388227][  T254]  __sys_sendmsg (net/socket.c:2784)
[   11.388362][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.388501][  T254]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.388639][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.388776][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.388911][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.389046][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.389186][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.389354][  T254] RIP: 0033:0x7f17cc56408e
[   11.389495][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.389980][  T254] RSP: 002b:00007fff1184c6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.390189][  T254] RAX: ffffffffffffffda RBX: 00007fff1184ce98 RCX: 00007f17cc56408e
[   11.390394][  T254] RDX: 0000000000000000 RSI: 00007fff1184c7a0 RDI: 0000000000000005
[   11.390596][  T254] RBP: 00007fff1184c700 R08: 0000000000000000 R09: 0000000000000000
[   11.390802][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.391003][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1184ce60
| [   11.392364][  T254] ---[ end trace 0000000000000000 ]---
| [   11.405597][  T254] ------------[ cut here ]------------
| [   11.406276][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/254
| [   11.406798][  T254] Tainted: [W]=WARN
[   11.406902][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.407071][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.407257][  T254] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.407740][  T254] RSP: 0018:ffa0000000ab71a0 EFLAGS: 00010286
[   11.407910][  T254] RAX: 00000000ffffffa6 RBX: ff1100000d58d380 RCX: 1ff4000000156dfa
[   11.408111][  T254] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58d438
[   11.408316][  T254] RBP: ff1100000d73c000 R08: 1fe2200001ab1a88 R09: ff11000004b10b80
[   11.408518][  T254] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.408725][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.408930][  T254] FS:  00007f17cc32a840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.409171][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.409343][  T254] CR2: 00007f17cc691f6d CR3: 000000000ca42004 CR4: 0000000000771ef0
[   11.409545][  T254] PKRU: 55555554
[   11.409652][  T254] Call Trace:
[   11.409752][  T254]  <TASK>
[   11.409821][  T254]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.409958][  T254]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.410062][  T254]  __dev_notify_flags (net/core/dev.c:9787)
[   11.410201][  T254]  ? netif_change_name (net/core/dev.c:1495)
[   11.410340][  T254]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.410475][  T254]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.410613][  T254]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.410754][  T254]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.410892][  T254]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.411027][  T254]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.411166][  T254]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.411306][  T254]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.411443][  T254]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.411578][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.411719][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.411855][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.411993][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.412132][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.412269][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.412405][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.412539][  T254]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.412677][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.412814][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.412949][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.413084][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.413225][  T254]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.413361][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.413499][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.413638][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.413779][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.413921][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.414057][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.414199][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.414335][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.414472][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.414608][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.414749][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.414884][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.415050][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   11.415193][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   11.415327][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.415467][  T254]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.415642][  T254]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.415780][  T254]  __sys_sendmsg (net/socket.c:2784)
[   11.415914][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.416085][  T254]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.416229][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.416365][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.416495][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.416633][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.416768][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.416936][  T254] RIP: 0033:0x7f17cc56408e
[   11.417077][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.417564][  T254] RSP: 002b:00007fff1184c6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.417774][  T254] RAX: ffffffffffffffda RBX: 00007fff1184ce98 RCX: 00007f17cc56408e
[   11.417976][  T254] RDX: 0000000000000000 RSI: 00007fff1184c7a0 RDI: 0000000000000005
[   11.418179][  T254] RBP: 00007fff1184c700 R08: 0000000000000000 R09: 0000000000000000
[   11.418374][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.418571][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1184ce60
| [   11.419903][  T254] ---[ end trace 0000000000000000 ]---
| [   11.497990][  T257] ------------[ cut here ]------------
| [   11.498158][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/257
| [   11.499295][  T257] Tainted: [W]=WARN
[   11.499402][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.499570][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.499825][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.500300][  T257] RSP: 0018:ffa0000000ae7020 EFLAGS: 00010286
[   11.500468][  T257] RAX: 00000000ffffffa6 RBX: ff1100000b316ac0 RCX: 1ff400000015cdca
[   11.500753][  T257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b316b78
[   11.500952][  T257] RBP: ff1100000d73c000 R08: 1fe2200001662d70 R09: ff1100000cf2d158
[   11.501155][  T257] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.501356][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d73cce1
[   11.501586][  T257] FS:  00007f09a38ac840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.501826][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.501994][  T257] CR2: 0000000020437988 CR3: 000000000fdd3003 CR4: 0000000000771ef0
[   11.502200][  T257] PKRU: 55555554
[   11.502301][  T257] Call Trace:
[   11.502400][  T257]  <TASK>
[   11.502469][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.502604][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.502709][  T257]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.502843][  T257]  __dev_notify_flags (net/core/dev.c:9787)
[   11.502977][  T257]  ? netif_change_name (net/core/dev.c:1495)
[   11.503110][  T257]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.503251][  T257]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.503384][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.503519][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.503661][  T257]  netif_change_flags (net/core/dev.c:9820)
[   11.503796][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.503932][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.504067][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.504236][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.504368][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.504500][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.504637][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.504773][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.504909][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.505043][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.505181][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.505314][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.505445][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.505578][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.505716][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.505849][  T257]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.505982][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.506115][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.506253][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.506389][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.506523][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.506662][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.506794][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.506927][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.507064][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.507200][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.507332][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.507465][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.507599][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.507736][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.507870][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.508003][  T257]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.508141][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.508276][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.508410][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.508545][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.508684][  T257]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.508819][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.508955][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.509088][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.509229][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.509364][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.509498][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.509637][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.509772][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.509907][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.510043][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.510180][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.510313][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.510478][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   11.510614][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.510752][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.510887][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   11.511020][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.511193][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.511336][  T257]  __sys_sendmsg (net/socket.c:2784)
[   11.511470][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.511603][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.511773][  T257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.511908][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.512042][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.512181][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.512315][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.512449][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.512617][  T257] RIP: 0033:0x7f09a3ae608e
[   11.512762][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.513239][  T257] RSP: 002b:00007fffaf33ccc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.513442][  T257] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f09a3ae608e
[   11.513646][  T257] RDX: 0000000000000000 RSI: 00007fffaf33cd70 RDI: 0000000000000005
[   11.513846][  T257] RBP: 00007fffaf33ccd0 R08: 0000000000000000 R09: 0000000000000000
[   11.514045][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e7
[   11.514249][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffaf33d440
| [   11.515580][  T257] ---[ end trace 0000000000000000 ]---
| [   11.603336][  T260] ------------[ cut here ]------------
| [   11.603506][  T260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/260
| [   11.604074][  T260] Tainted: [W]=WARN
[   11.604184][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.604350][  T260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.604523][  T260] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.605052][  T260] RSP: 0018:ffa0000000b17020 EFLAGS: 00010286
[   11.605315][  T260] RAX: 00000000ffffffa6 RBX: ff1100000c741000 RCX: 1ff4000000162dca
[   11.605514][  T260] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7410b8
[   11.605768][  T260] RBP: ff1100000c5f1000 R08: 1fe22000018e8218 R09: ff1100000fa9d158
[   11.605969][  T260] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   11.606173][  T260] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5f1ce1
[   11.606374][  T260] FS:  00007f494ae78840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   11.606606][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.606868][  T260] CR2: 0000000021636988 CR3: 000000000fde9004 CR4: 0000000000771ef0
[   11.607073][  T260] PKRU: 55555554
[   11.607178][  T260] Call Trace:
[   11.607277][  T260]  <TASK>
[   11.607357][  T260]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.607492][  T260]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.607595][  T260]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.607736][  T260]  __dev_notify_flags (net/core/dev.c:9787)
[   11.607874][  T260]  ? netif_change_name (net/core/dev.c:1495)
[   11.608012][  T260]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.608153][  T260]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.608287][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.608420][  T260]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.608557][  T260]  netif_change_flags (net/core/dev.c:9820)
[   11.608698][  T260]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.608833][  T260]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.608966][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.609136][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.609269][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.609401][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.609532][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.609671][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.609811][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.609944][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.610078][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.610216][  T260]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.610349][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.610481][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.610614][  T260]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.610753][  T260]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.610887][  T260]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.611020][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.611159][  T260]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.611295][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.611429][  T260]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.611564][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.611702][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.611834][  T260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.611969][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.612101][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.612237][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.612369][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.612503][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.612710][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.612845][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.612978][  T260]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.613110][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.613253][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.613384][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.613517][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.613728][  T260]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.613860][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.613995][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.614132][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.614266][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.614400][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.614533][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.614728][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.614860][  T260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.614993][  T260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.615130][  T260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.615262][  T260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.615394][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.615558][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   11.615767][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.615901][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.616033][  T260]  ___sys_sendmsg (net/socket.c:2752)
[   11.616172][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.616338][  T260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.616481][  T260]  __sys_sendmsg (net/socket.c:2784)
[   11.616615][  T260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.616887][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.617055][  T260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.617193][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.617326][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.617459][  T260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.617593][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.617792][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.617957][  T260] RIP: 0033:0x7f494b0b208e
[   11.618097][  T260] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.618569][  T260] RSP: 002b:00007fff47924f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.618773][  T260] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f494b0b208e
[   11.618973][  T260] RDX: 0000000000000000 RSI: 00007fff47925040 RDI: 0000000000000005
[   11.619177][  T260] RBP: 00007fff47924fa0 R08: 0000000000000000 R09: 0000000000000000
[   11.619374][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   11.619571][  T260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff47925710
| [   11.620899][  T260] ---[ end trace 0000000000000000 ]---
| [   11.622234][   T60] ------------[ cut here ]------------
| [   11.622377][   T60] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/60
| [   11.622918][   T60] Tainted: [W]=WARN
[   11.623012][   T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.623198][   T60] Workqueue: events_unbound linkwatch_event
[   11.623361][   T60] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.623522][   T60] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.623977][   T60] RSP: 0018:ffa000000040f9e0 EFLAGS: 00010286
[   11.624136][   T60] RAX: 00000000ffffffa6 RBX: ff110000092883c0 RCX: 1ff4000000081f02
[   11.624319][   T60] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009288478
[   11.624504][   T60] RBP: ff1100000c5f1000 R08: 1fe2200001251090 R09: ff110000052c51a8
[   11.624708][   T60] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.624892][   T60] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.625075][   T60] FS:  0000000000000000(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.625297][   T60] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.625453][   T60] CR2: 000055694d43cb78 CR3: 0000000034b49001 CR4: 0000000000771ef0
[   11.625644][   T60] PKRU: 55555554
[   11.625738][   T60] Call Trace:
[   11.625830][   T60]  <TASK>
[   11.625895][   T60]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.626019][   T60]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.626152][   T60]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.626247][   T60]  netif_state_change (net/core/dev.c:1605)
[   11.626371][   T60]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.626525][   T60]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.626654][   T60]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.626779][   T60]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.626906][   T60]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.627030][   T60]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.627156][   T60]  process_one_work (kernel/workqueue.c:3314)
[   11.627286][   T60]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.627410][   T60]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.627536][   T60]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.627666][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.627788][   T60]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.627913][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.628037][   T60]  kthread (kernel/kthread.c:436)
[   11.628135][   T60]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.628288][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.628411][   T60]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.628542][   T60]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.628700][   T60]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.628825][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.628949][   T60]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.630142][   T60] ---[ end trace 0000000000000000 ]---
| [   11.630861][   T60] ------------[ cut here ]------------
| [   11.630986][   T60] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/60
| [   11.631528][   T60] Tainted: [W]=WARN
[   11.631621][   T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.631782][   T60] Workqueue: events_unbound linkwatch_event
[   11.631943][   T60] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.632103][   T60] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.632551][   T60] RSP: 0018:ffa000000040f9e0 EFLAGS: 00010286
[   11.632728][   T60] RAX: 00000000ffffffa6 RBX: ff11000009288580 RCX: 1ff4000000081f02
[   11.632912][   T60] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009288638
[   11.633096][   T60] RBP: ff1100000d73c000 R08: 1fe22000012510c8 R09: ff110000052c51a8
[   11.633284][   T60] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.633471][   T60] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.633671][   T60] FS:  0000000000000000(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.633893][   T60] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.634049][   T60] CR2: 000055694d43cb78 CR3: 0000000034b49001 CR4: 0000000000771ef0
[   11.634241][   T60] PKRU: 55555554
[   11.634338][   T60] Call Trace:
[   11.634434][   T60]  <TASK>
[   11.634500][   T60]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.634631][   T60]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.634759][   T60]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.634854][   T60]  netif_state_change (net/core/dev.c:1605)
[   11.634978][   T60]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.635137][   T60]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.635260][   T60]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.635385][   T60]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.635510][   T60]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.635637][   T60]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.635761][   T60]  process_one_work (kernel/workqueue.c:3314)
[   11.635888][   T60]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.636012][   T60]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.636142][   T60]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.636268][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.636393][   T60]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.636516][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.636644][   T60]  kthread (kernel/kthread.c:436)
[   11.636744][   T60]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.636898][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.637022][   T60]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.637155][   T60]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.637311][   T60]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.637436][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.637560][   T60]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.638745][   T60] ---[ end trace 0000000000000000 ]---
| [   11.671496][  T261] ------------[ cut here ]------------
| [   11.671908][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/261
| [   11.672520][  T261] Tainted: [W]=WARN
[   11.672678][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.672895][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.673127][  T261] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.673668][  T261] RSP: 0018:ffa0000000b26e20 EFLAGS: 00010286
[   11.673886][  T261] RAX: 00000000ffffffa6 RBX: ff1100000c741e00 RCX: 1ff4000000164d8a
[   11.674158][  T261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c741eb8
[   11.674408][  T261] RBP: ff1100000c85c000 R08: 1fe22000018e83d8 R09: ff1100000fa9ae80
[   11.674670][  T261] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.674919][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bab9208
[   11.675175][  T261] FS:  00007fa59e39d840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   11.675458][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.675690][  T261] CR2: 000000000042ebe0 CR3: 000000000fe2e005 CR4: 0000000000771ef0
[   11.675944][  T261] PKRU: 55555554
[   11.676092][  T261] Call Trace:
[   11.676247][  T261]  <TASK>
[   11.676363][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.676549][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.676712][  T261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.676929][  T261]  __dev_notify_flags (net/core/dev.c:9787)
[   11.677111][  T261]  ? __mod_timer (kernel/time/timer.c:1139 (discriminator 3))
[   11.677305][  T261]  ? netif_change_name (net/core/dev.c:1495)
[   11.677488][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.677683][  T261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.677866][  T261]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.678048][  T261]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.678236][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.678423][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.678606][  T261]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.678802][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.678984][  T261]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.679178][  T261]  veth_newlink (drivers/net/veth.c:1871)
[   11.679366][  T261]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.679549][  T261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.679744][  T261]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.679927][  T261]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.680129][  T261]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.680310][  T261]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.680493][  T261]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.680688][  T261]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.680873][  T261]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.681062][  T261]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.681254][  T261]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.681437][  T261]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.681621][  T261]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.681821][  T261]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.682007][  T261]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.682200][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.682382][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.682567][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.682767][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.682951][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.683142][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.683326][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.683507][  T261]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.683700][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.683884][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.684066][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.684260][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.684443][  T261]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.684688][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.684877][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.685058][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.685251][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.685439][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.685621][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.685817][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.685999][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.686190][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.686376][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.686559][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.686755][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.686972][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   11.687166][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   11.687350][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.687537][  T261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.687770][  T261]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.687956][  T261]  __sys_sendmsg (net/socket.c:2784)
[   11.688146][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.688335][  T261]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.688518][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.688713][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.688895][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.689079][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.689274][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.689490][  T261] RIP: 0033:0x7fa59e5d708e
[   11.689693][  T261] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.690225][  T261] RSP: 002b:00007fff0330b200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.690476][  T261] RAX: ffffffffffffffda RBX: 00007fff0330b9a8 RCX: 00007fa59e5d708e
[   11.690742][  T261] RDX: 0000000000000000 RSI: 00007fff0330b2b0 RDI: 0000000000000005
[   11.690991][  T261] RBP: 00007fff0330b210 R08: 0000000000000000 R09: 0000000000000000
[   11.691247][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   11.691494][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0330b970
| [   11.693208][  T261] ---[ end trace 0000000000000000 ]---
| [   11.699529][  T261] ------------[ cut here ]------------
| [   11.699754][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/261
| [   11.700364][  T261] Tainted: [W]=WARN
[   11.700513][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.701274][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.701564][  T261] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.702171][  T261] RSP: 0018:ffa0000000b271a0 EFLAGS: 00010286
[   11.702445][  T261] RAX: 00000000ffffffa6 RBX: ff11000002784040 RCX: 1ff4000000164dfa
[   11.702760][  T261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000027840f8
[   11.703064][  T261] RBP: ff1100000fbbc000 R08: 1fe22000004f0820 R09: ff1100000fa9ae80
[   11.703397][  T261] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.703714][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.704019][  T261] FS:  00007fa59e39d840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   11.704359][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.704648][  T261] CR2: 000000000042ebe0 CR3: 000000000fe2e005 CR4: 0000000000771ef0
[   11.704952][  T261] PKRU: 55555554
[   11.705163][  T261] Call Trace:
[   11.705368][  T261]  <TASK>
[   11.705539][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.705793][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.705999][  T261]  __dev_notify_flags (net/core/dev.c:9787)
[   11.706246][  T261]  ? netif_change_name (net/core/dev.c:1495)
[   11.706490][  T261]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.706738][  T261]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.706977][  T261]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.707224][  T261]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.707463][  T261]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.707712][  T261]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.707950][  T261]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.708213][  T261]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.708459][  T261]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.708711][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.708949][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.709191][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.709435][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.709689][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.709929][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.710174][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.710414][  T261]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.710665][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.710904][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.711145][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.711383][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.711619][  T261]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.711923][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.712169][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.712408][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.712661][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.712852][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.713033][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.713227][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.713414][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.713601][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.713797][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.713979][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.714168][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.714384][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   11.714570][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   11.714765][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.714953][  T261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.715175][  T261]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.715359][  T261]  __sys_sendmsg (net/socket.c:2784)
[   11.715541][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.715738][  T261]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.715919][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.716101][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.716292][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.716474][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.716671][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.716884][  T261] RIP: 0033:0x7fa59e5d708e
[   11.717070][  T261] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.717599][  T261] RSP: 002b:00007fff0330b200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.717861][  T261] RAX: ffffffffffffffda RBX: 00007fff0330b9a8 RCX: 00007fa59e5d708e
[   11.718109][  T261] RDX: 0000000000000000 RSI: 00007fff0330b2b0 RDI: 0000000000000005
[   11.718362][  T261] RBP: 00007fff0330b210 R08: 0000000000000000 R09: 0000000000000000
[   11.718613][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   11.718871][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0330b970
| [   11.720551][  T261] ---[ end trace 0000000000000000 ]---
| [   11.801493][  T264] ------------[ cut here ]------------
| [   11.801659][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/264
| [   11.802164][  T264] Tainted: [W]=WARN
[   11.802265][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.802456][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.803272][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.803742][  T264] RSP: 0018:ffa0000000b47020 EFLAGS: 00010286
[   11.803910][  T264] RAX: 00000000ffffffa6 RBX: ff11000002785380 RCX: 1ff4000000168dca
[   11.804104][  T264] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002785438
[   11.804299][  T264] RBP: ff1100000fbbc000 R08: 1fe22000004f0a88 R09: ff1100000a4cae58
[   11.804491][  T264] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.804698][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbbcce1
[   11.804895][  T264] FS:  00007f7b13e7b840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.805126][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.805287][  T264] CR2: 00000000056f8988 CR3: 000000000ced3006 CR4: 0000000000771ef0
[   11.805485][  T264] PKRU: 55555554
[   11.805581][  T264] Call Trace:
[   11.805683][  T264]  <TASK>
[   11.805749][  T264]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.805880][  T264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.805978][  T264]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.806107][  T264]  __dev_notify_flags (net/core/dev.c:9787)
[   11.806245][  T264]  ? netif_change_name (net/core/dev.c:1495)
[   11.806374][  T264]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.806503][  T264]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.806637][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.806767][  T264]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.806899][  T264]  netif_change_flags (net/core/dev.c:9820)
[   11.807030][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.807166][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.807295][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.807455][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.807583][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.807720][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.807853][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.807987][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.808116][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.808250][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.808378][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.808505][  T264]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.808642][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.808771][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.808913][  T264]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.809050][  T264]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.809187][  T264]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.809319][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.809454][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.809590][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.809731][  T264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.809866][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.809998][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.810136][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.810272][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.810405][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.810538][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.810674][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.810809][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.810943][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.811076][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.811213][  T264]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.811345][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.811480][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.811612][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.811751][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.811884][  T264]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.812018][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.812162][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.812296][  T264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.812432][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.812565][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.812703][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.812837][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.812972][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.813106][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.813245][  T264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.813379][  T264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.813513][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.813684][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   11.813818][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.813950][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.814085][  T264]  ___sys_sendmsg (net/socket.c:2752)
[   11.814222][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.814388][  T264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.814530][  T264]  __sys_sendmsg (net/socket.c:2784)
[   11.814669][  T264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.814803][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.814972][  T264]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.815106][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.815245][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.815380][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.815514][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.815653][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.815819][  T264] RIP: 0033:0x7f7b140b508e
[   11.815959][  T264] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.816436][  T264] RSP: 002b:00007ffc7f0071b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.816642][  T264] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7b140b508e
[   11.816842][  T264] RDX: 0000000000000000 RSI: 00007ffc7f007260 RDI: 0000000000000005
[   11.817040][  T264] RBP: 00007ffc7f0071c0 R08: 0000000000000000 R09: 0000000000000000
[   11.817245][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   11.817445][  T264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7f007930
| [   11.818791][  T264] ---[ end trace 0000000000000000 ]---
| [   11.900223][  T267] ------------[ cut here ]------------
| [   11.900381][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/267
| [   11.901507][  T267] Tainted: [W]=WARN
[   11.901613][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.901785][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.901957][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.902437][  T267] RSP: 0018:ffa0000000b77020 EFLAGS: 00010286
[   11.902604][  T267] RAX: 00000000ffffffa6 RBX: ff1100000f8d8ac0 RCX: 1ff400000016edca
[   11.902803][  T267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d8b78
[   11.903001][  T267] RBP: ff1100000c85c000 R08: 1fe2200001f1b170 R09: ff1100000c452e58
[   11.903202][  T267] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.903397][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c85cce1
[   11.903592][  T267] FS:  00007f9a2eb14840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.903828][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.903995][  T267] CR2: 0000000009104988 CR3: 000000000feb2005 CR4: 0000000000771ef0
[   11.904202][  T267] PKRU: 55555554
[   11.904301][  T267] Call Trace:
[   11.904398][  T267]  <TASK>
[   11.904465][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.904598][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.904703][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.904834][  T267]  __dev_notify_flags (net/core/dev.c:9787)
[   11.904968][  T267]  ? netif_change_name (net/core/dev.c:1495)
[   11.905099][  T267]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.905235][  T267]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.905368][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.905499][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.905638][  T267]  netif_change_flags (net/core/dev.c:9820)
[   11.905772][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.905905][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.906036][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.906204][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.906336][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.906467][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.906597][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.906734][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.906866][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.906996][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.907134][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.907267][  T267]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.907397][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.907527][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.907663][  T267]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.907795][  T267]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.907928][  T267]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.908062][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.908201][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.908334][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.908467][  T267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.908599][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.908733][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.908864][  T267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.908997][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.909133][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.909265][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.909396][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.909528][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.909665][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.909795][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.909925][  T267]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.910057][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.910192][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.910325][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.910458][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.910588][  T267]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.910723][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.910857][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.910988][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.911123][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.911255][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.911386][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.911520][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.911656][  T267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.911788][  T267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.911921][  T267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.912053][  T267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.912188][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.912350][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.912482][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.912613][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.912750][  T267]  ___sys_sendmsg (net/socket.c:2752)
[   11.912882][  T267]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.913046][  T267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.913192][  T267]  __sys_sendmsg (net/socket.c:2784)
[   11.913324][  T267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.913455][  T267]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.913621][  T267]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.913758][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.913893][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.914025][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.914161][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.914294][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.914458][  T267] RIP: 0033:0x7f9a2ed4e08e
[   11.914597][  T267] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.915068][  T267] RSP: 002b:00007ffe145bf470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.915273][  T267] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9a2ed4e08e
[   11.915470][  T267] RDX: 0000000000000000 RSI: 00007ffe145bf520 RDI: 0000000000000005
[   11.915670][  T267] RBP: 00007ffe145bf480 R08: 0000000000000000 R09: 0000000000000000
[   11.915866][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   11.916065][  T267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe145bfbf0
| [   11.917405][  T267] ---[ end trace 0000000000000000 ]---
| [   11.918550][   T39] ------------[ cut here ]------------
| [   11.919103][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   11.919637][   T39] Tainted: [W]=WARN
[   11.919729][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.919883][   T39] Workqueue: events_unbound linkwatch_event
[   11.920042][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.920207][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.920658][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   11.920812][   T39] RAX: 00000000ffffffa6 RBX: ff1100000f8d9e00 RCX: 1ff4000000057f02
[   11.920996][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d9eb8
[   11.921183][   T39] RBP: ff1100000c85c000 R08: 1fe2200001f1b3d8 R09: ff11000001d951a8
[   11.921366][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.921550][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.921741][   T39] FS:  0000000000000000(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.921956][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.922110][   T39] CR2: 0000000009104988 CR3: 000000000feb2005 CR4: 0000000000771ef0
[   11.922298][   T39] PKRU: 55555554
[   11.922390][   T39] Call Trace:
[   11.922481][   T39]  <TASK>
[   11.922545][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.922672][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.922799][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.922894][   T39]  netif_state_change (net/core/dev.c:1605)
[   11.923019][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.923178][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.923300][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.923423][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.923547][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.923673][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.923795][   T39]  process_one_work (kernel/workqueue.c:3314)
[   11.923921][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.924043][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.924176][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.924302][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.924424][   T39]  kthread (kernel/kthread.c:436)
[   11.924517][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.924672][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.924884][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.925008][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.925166][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.925289][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.925486][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.926807][   T39] ---[ end trace 0000000000000000 ]---
| [   11.927450][   T39] ------------[ cut here ]------------
| [   11.927573][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   11.928095][   T39] Tainted: [W]=WARN
[   11.928268][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.928420][   T39] Workqueue: events_unbound linkwatch_event
[   11.928577][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.929060][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.929502][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   11.929711][   T39] RAX: 00000000ffffffa6 RBX: ff110000093dba80 RCX: 1ff4000000057f02
[   11.929893][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dbb38
[   11.930073][   T39] RBP: ff1100000fbbc000 R08: 1fe220000127b768 R09: ff11000001d951a8
[   11.930264][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.930444][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.930675][   T39] FS:  0000000000000000(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   11.930887][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.931086][   T39] CR2: 0000000009104988 CR3: 0000000034b49003 CR4: 0000000000771ef0
[   11.931272][   T39] PKRU: 55555554
[   11.931364][   T39] Call Trace:
[   11.931458][   T39]  <TASK>
[   11.931522][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.931691][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.931813][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.931906][   T39]  netif_state_change (net/core/dev.c:1605)
[   11.932030][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.932187][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.932311][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.932434][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.932679][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.932876][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.933000][   T39]  process_one_work (kernel/workqueue.c:3314)
[   11.933127][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.933249][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.933374][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.933575][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.933819][   T39]  kthread (kernel/kthread.c:436)
[   11.933911][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.934062][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.934190][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.934311][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.934467][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.934709][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.934832][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.936040][   T39] ---[ end trace 0000000000000000 ]---
| [   11.993041][  T268] ------------[ cut here ]------------
| [   11.993239][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/268
| [   11.993884][  T268] Tainted: [W]=WARN
[   11.994034][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.994259][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.994481][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.995012][  T268] RSP: 0018:ffa0000000b871a0 EFLAGS: 00010286
[   11.995235][  T268] RAX: 00000000ffffffa6 RBX: ff1100000d58d1c0 RCX: 1ff4000000170dfa
[   11.995481][  T268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58d278
[   11.995741][  T268] RBP: ff110000083f1000 R08: 1fe2200001ab1a50 R09: ff1100000b9bd180
[   11.995987][  T268] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.996242][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.996492][  T268] FS:  00007faa4c7aaec0(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   11.996785][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.997000][  T268] CR2: 00007faa4cb0b004 CR3: 000000000fedd002 CR4: 0000000000771ef0
[   11.997262][  T268] PKRU: 55555554
[   11.997408][  T268] Call Trace:
[   11.997557][  T268]  <TASK>
[   11.997685][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.997869][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.998019][  T268]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   11.998212][  T268]  __dev_notify_flags (net/core/dev.c:9787)
[   11.998398][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.998580][  T268]  ? netif_change_name (net/core/dev.c:1495)
[   11.998774][  T268]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   11.998957][  T268]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   11.999149][  T268]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.999335][  T268]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.999519][  T268]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.999711][  T268]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.999895][  T268]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.000082][  T268]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.000274][  T268]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.000458][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.000652][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.000833][  T268]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.001018][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.001203][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.001387][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.001569][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.001764][  T268]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.001948][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.002140][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.002319][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.002502][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.002720][  T268]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.002911][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.003097][  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))
[   12.003288][  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))
[   12.003473][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.003672][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.003856][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.004038][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.004229][  T268]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.004415][  T268]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.004598][  T268]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.004794][  T268]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.004975][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.005194][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   12.005375][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.005558][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.005784][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.005969][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.006192][  T268]  ___sys_sendmsg (net/socket.c:2752)
[   12.006375][  T268]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.006556][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.006757][  T268]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.006938][  T268]  ? do_getsockname (net/socket.c:2192)
[   12.007130][  T268]  __sys_sendmsg (net/socket.c:2784)
[   12.007311][  T268]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.007499][  T268]  ? __sys_getsockname (net/socket.c:2210)
[   12.007693][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.007876][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.008058][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.008248][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.008430][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.008655][  T268] RIP: 0033:0x7faa4c85f08e
[   12.008842][  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
[   12.009369][  T268] RSP: 002b:00007ffe5838d2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.009615][  T268] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa4c85f08e
[   12.009876][  T268] RDX: 0000000000000000 RSI: 00007ffe5838d340 RDI: 0000000000000005
[   12.010131][  T268] RBP: 00007ffe5838d2d0 R08: 0000000000000000 R09: 0000000000000000
[   12.010376][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe58391a68
[   12.010636][  T268] R13: 0000000000000004 R14: 00007faa4cb4b000 R15: 000000000040bda8
| [   12.012328][  T268] ---[ end trace 0000000000000000 ]---
| [   12.081207][  T270] ------------[ cut here ]------------
| [   12.081364][  T270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/270
| [   12.081910][  T270] Tainted: [W]=WARN
[   12.082010][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.082180][  T270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.082361][  T270] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.082845][  T270] RSP: 0018:ffa0000000ba7020 EFLAGS: 00010286
[   12.083083][  T270] RAX: 00000000ffffffa6 RBX: ff11000008a8fa80 RCX: 1ff4000000174dca
[   12.083375][  T270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a8fb38
[   12.083680][  T270] RBP: ff110000083f1000 R08: 1fe2200001151f68 R09: ff1100000b9bae58
[   12.083955][  T270] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   12.084161][  T270] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000083f1ce1
[   12.084362][  T270] FS:  00007f2385880840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   12.084594][  T270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.084771][  T270] CR2: 00007f2385b501a0 CR3: 000000000ffd5006 CR4: 0000000000771ef0
[   12.084967][  T270] PKRU: 55555554
[   12.085066][  T270] Call Trace:
[   12.085170][  T270]  <TASK>
[   12.085238][  T270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.085374][  T270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.085475][  T270]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.085606][  T270]  __dev_notify_flags (net/core/dev.c:9787)
[   12.085746][  T270]  ? netif_change_name (net/core/dev.c:1495)
[   12.085880][  T270]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.086016][  T270]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.086152][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.086287][  T270]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.086421][  T270]  netif_change_flags (net/core/dev.c:9820)
[   12.086555][  T270]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.086696][  T270]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.086830][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.086995][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.087132][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.087264][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.087395][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.087531][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.087729][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.087863][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.087995][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.088132][  T270]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.088265][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.088398][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.088531][  T270]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.088691][  T270]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.088824][  T270]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.088955][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.089089][  T270]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.089227][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.089362][  T270]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.089496][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.089634][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.089767][  T270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.089907][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.090037][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.090175][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.090307][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.090440][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.090572][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.090706][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.090837][  T270]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.090967][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.091102][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.091240][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.091373][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.091506][  T270]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.091642][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.091779][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.091910][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.092043][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.092181][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.092314][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.092446][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.092578][  T270]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.092716][  T270]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.092850][  T270]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.092981][  T270]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.093112][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.093278][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   12.093409][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.093540][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.093676][  T270]  ___sys_sendmsg (net/socket.c:2752)
[   12.093809][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.093974][  T270]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.094115][  T270]  __sys_sendmsg (net/socket.c:2784)
[   12.094251][  T270]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.094385][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.094550][  T270]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.094689][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.094823][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.094955][  T270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.095087][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.095226][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.095389][  T270] RIP: 0033:0x7f2385aba08e
[   12.095527][  T270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.096000][  T270] RSP: 002b:00007fff8fafa820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.096203][  T270] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2385aba08e
[   12.096400][  T270] RDX: 0000000000000000 RSI: 00007fff8fafa8d0 RDI: 0000000000000005
[   12.096598][  T270] RBP: 00007fff8fafa830 R08: 0000000000000000 R09: 0000000000000000
[   12.096798][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   12.096996][  T270] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8fafafa0
| [   12.098321][  T270] ---[ end trace 0000000000000000 ]---
| [   12.176056][  T274] ------------[ cut here ]------------
| [   12.176232][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/274
| [   12.176787][  T274] Tainted: [W]=WARN
[   12.176891][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.177062][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.177243][  T274] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.177729][  T274] RSP: 0018:ffa0000000bd71a0 EFLAGS: 00010286
[   12.177900][  T274] RAX: 00000000ffffffa6 RBX: ff1100000fb7de00 RCX: 1ff400000017adfa
[   12.178104][  T274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fb7deb8
[   12.178312][  T274] RBP: ff11000008901000 R08: 1fe2200001f6fbd8 R09: ff1100000a4c8b80
[   12.178514][  T274] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.178721][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.178923][  T274] FS:  00007fb03bf0cec0(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   12.179162][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.179331][  T274] CR2: 00007fb03c26d004 CR3: 0000000010015002 CR4: 0000000000771ef0
[   12.179536][  T274] PKRU: 55555554
[   12.179643][  T274] Call Trace:
[   12.179744][  T274]  <TASK>
[   12.179814][  T274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.179950][  T274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.180052][  T274]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.180191][  T274]  __dev_notify_flags (net/core/dev.c:9787)
[   12.180366][  T274]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.180503][  T274]  ? netif_change_name (net/core/dev.c:1495)
[   12.180643][  T274]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.180779][  T274]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   12.180916][  T274]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.181051][  T274]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   12.181193][  T274]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.181330][  T274]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.181463][  T274]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.181597][  T274]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.181742][  T274]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.181882][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.182019][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.182162][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.182296][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.182437][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.182574][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.182717][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.182852][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.183019][  T274]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.183163][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.183301][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.183436][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.183573][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.183715][  T274]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.183851][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.183989][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.184130][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.184265][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.184401][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.184538][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.184679][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.184815][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.184951][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.185087][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.185227][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.185364][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.185535][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   12.185676][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.185813][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.185983][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.186119][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.186292][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   12.186427][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.186563][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.186710][  T274]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.186848][  T274]  ? do_getsockname (net/socket.c:2192)
[   12.186988][  T274]  __sys_sendmsg (net/socket.c:2784)
[   12.187127][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.187265][  T274]  ? __sys_getsockname (net/socket.c:2210)
[   12.187399][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.187537][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.187677][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.187814][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.187950][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.188118][  T274] RIP: 0033:0x7fb03bfc108e
[   12.188261][  T274] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.188744][  T274] RSP: 002b:00007fff7b0fc1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.188948][  T274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb03bfc108e
[   12.189152][  T274] RDX: 0000000000000000 RSI: 00007fff7b0fc230 RDI: 0000000000000005
[   12.189354][  T274] RBP: 00007fff7b0fc1c0 R08: 0000000000000000 R09: 0000000000000000
[   12.189557][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff7b100958
[   12.189765][  T274] R13: 0000000000000004 R14: 00007fb03c2ad000 R15: 000000000040bda8
| [   12.191135][  T274] ---[ end trace 0000000000000000 ]---
| [   12.316830][  T281] ------------[ cut here ]------------
| [   12.316998][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/281
| [   12.317503][  T281] Tainted: [W]=WARN
[   12.317603][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.317776][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.317950][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.318421][  T281] RSP: 0018:ffa0000000bc7020 EFLAGS: 00010286
[   12.318590][  T281] RAX: 00000000ffffffa6 RBX: ff1100000fb73c40 RCX: 1ff4000000178dca
[   12.318798][  T281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fb73cf8
[   12.318996][  T281] RBP: ff11000008901000 R08: 1fe2200001f6e7a0 R09: ff1100000a5f8b58
[   12.319196][  T281] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.319395][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008901ce1
[   12.319595][  T281] FS:  00007f5f439db840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   12.319836][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.320004][  T281] CR2: 000000002eee6988 CR3: 00000000100b9001 CR4: 0000000000771ef0
[   12.320206][  T281] PKRU: 55555554
[   12.320306][  T281] Call Trace:
[   12.320405][  T281]  <TASK>
[   12.320474][  T281]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.320608][  T281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.320714][  T281]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.320848][  T281]  __dev_notify_flags (net/core/dev.c:9787)
[   12.320984][  T281]  ? netif_change_name (net/core/dev.c:1495)
[   12.321117][  T281]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.321257][  T281]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.321389][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.321522][  T281]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.321666][  T281]  netif_change_flags (net/core/dev.c:9820)
[   12.321805][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.321943][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.322076][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.322245][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.322378][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.322510][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.322648][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.322784][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.322920][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.323054][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.323192][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.323325][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.323459][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.323594][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.323733][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.323868][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.324003][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.324141][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.324276][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.324411][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.324547][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.324688][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.324822][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.324955][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.325090][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.325227][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.325362][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.325495][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.325634][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.325768][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.325902][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.326035][  T281]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.326169][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.326304][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.326437][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.326572][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.326711][  T281]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.326844][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.326982][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.327115][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.327253][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.327388][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.327522][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.327662][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.327797][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.327932][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.328068][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.328225][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.328361][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.328527][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   12.328666][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.328801][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.328935][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   12.329067][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.329240][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.329381][  T281]  __sys_sendmsg (net/socket.c:2784)
[   12.329513][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.329651][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.329817][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.329949][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.330083][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.330225][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.330357][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.330490][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.330662][  T281] RIP: 0033:0x7f5f43c1508e
[   12.330803][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.331278][  T281] RSP: 002b:00007ffdf32208e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.331478][  T281] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5f43c1508e
[   12.331684][  T281] RDX: 0000000000000000 RSI: 00007ffdf3220990 RDI: 0000000000000005
[   12.331883][  T281] RBP: 00007ffdf32208f0 R08: 0000000000000000 R09: 0000000000000000
[   12.332081][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   12.332286][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf3221060
| [   12.333637][  T281] ---[ end trace 0000000000000000 ]---
| [   12.419672][  T285] ------------[ cut here ]------------
| [   12.419851][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/285
| [   12.420406][  T285] Tainted: [W]=WARN
[   12.420509][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.420686][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.420870][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.421366][  T285] RSP: 0018:ffa0000000c171a0 EFLAGS: 00010286
[   12.421539][  T285] RAX: 00000000ffffffa6 RBX: ff1100000b898e40 RCX: 1ff4000000182dfa
[   12.421747][  T285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b898ef8
[   12.421949][  T285] RBP: ff1100000ccac000 R08: 1fe22000017131e0 R09: ff1100000faaae80
[   12.422159][  T285] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.422361][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.422567][  T285] FS:  00007f6bec89dec0(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   12.422815][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.422990][  T285] CR2: 00007f6becbfe004 CR3: 0000000009d07001 CR4: 0000000000771ef0
[   12.423202][  T285] PKRU: 55555554
[   12.423307][  T285] Call Trace:
[   12.423411][  T285]  <TASK>
[   12.423482][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.423620][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.423729][  T285]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.423869][  T285]  __dev_notify_flags (net/core/dev.c:9787)
[   12.424006][  T285]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.424157][  T285]  ? netif_change_name (net/core/dev.c:1495)
[   12.424296][  T285]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.424434][  T285]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   12.424575][  T285]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.424717][  T285]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   12.424858][  T285]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.425001][  T285]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.425145][  T285]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.425283][  T285]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.425423][  T285]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.425563][  T285]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.425706][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.425843][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.425981][  T285]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.426126][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.426264][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.426401][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.426536][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.426676][  T285]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.426813][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.426950][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.427086][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.427228][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.427368][  T285]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.427504][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.427648][  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))
[   12.427785][  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))
[   12.427924][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.428060][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.428200][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.428340][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.428476][  T285]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.428612][  T285]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.428755][  T285]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.428892][  T285]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.429027][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.429198][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   12.429333][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.429471][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.429685][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.429822][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.429990][  T285]  ___sys_sendmsg (net/socket.c:2752)
[   12.430130][  T285]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.430265][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.430408][  T285]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.430544][  T285]  ? do_getsockname (net/socket.c:2192)
[   12.430688][  T285]  __sys_sendmsg (net/socket.c:2784)
[   12.430823][  T285]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.430960][  T285]  ? __sys_getsockname (net/socket.c:2210)
[   12.431094][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.431232][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.431369][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.431505][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.431648][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.431817][  T285] RIP: 0033:0x7f6bec95208e
[   12.431960][  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
[   12.432446][  T285] RSP: 002b:00007ffd1b5b7d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.432659][  T285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6bec95208e
[   12.432863][  T285] RDX: 0000000000000000 RSI: 00007ffd1b5b7da0 RDI: 0000000000000005
[   12.433065][  T285] RBP: 00007ffd1b5b7d30 R08: 0000000000000000 R09: 0000000000000000
[   12.433270][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1b5bc4c8
[   12.433474][  T285] R13: 0000000000000004 R14: 00007f6becc3e000 R15: 000000000040bda8
| [   12.434836][  T285] ---[ end trace 0000000000000000 ]---
| [   12.485807][  T287] ------------[ cut here ]------------
| [   12.486006][  T287] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/287
| [   12.486616][  T287] Tainted: [W]=WARN
[   12.486788][  T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.487008][  T287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.487235][  T287] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.487870][  T287] RSP: 0018:ffa0000000c37020 EFLAGS: 00010286
[   12.488161][  T287] RAX: 00000000ffffffa6 RBX: ff1100000526b000 RCX: 1ff4000000186dca
[   12.488480][  T287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526b0b8
[   12.488813][  T287] RBP: ff1100000ccac000 R08: 1fe2200000a4d618 R09: ff1100000cc78b58
[   12.489152][  T287] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.489494][  T287] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ccacce1
[   12.489755][  T287] FS:  00007f0ee2d54840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   12.490035][  T287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.490259][  T287] CR2: 0000000027aa5988 CR3: 000000000ff85001 CR4: 0000000000771ef0
[   12.490509][  T287] PKRU: 55555554
[   12.490667][  T287] Call Trace:
[   12.490814][  T287]  <TASK>
[   12.490931][  T287]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.491113][  T287]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.491271][  T287]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.491451][  T287]  __dev_notify_flags (net/core/dev.c:9787)
[   12.491648][  T287]  ? netif_change_name (net/core/dev.c:1495)
[   12.491831][  T287]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.492010][  T287]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.492196][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.492379][  T287]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.492561][  T287]  netif_change_flags (net/core/dev.c:9820)
[   12.492756][  T287]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.492939][  T287]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.493120][  T287]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.493342][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.493522][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.493711][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.493891][  T287]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.494074][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.494269][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.494452][  T287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.494643][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.494824][  T287]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.495002][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.495194][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.495375][  T287]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.495558][  T287]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.495753][  T287]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.495934][  T287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.496120][  T287]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.496315][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.496500][  T287]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.496697][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.496876][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.497057][  T287]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.497260][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.497442][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.497637][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.497817][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.497999][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.498190][  T287]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.498372][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.498554][  T287]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.498744][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.498927][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.499107][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.499299][  T287]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.499479][  T287]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.499672][  T287]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.499857][  T287]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.500039][  T287]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.500230][  T287]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.500417][  T287]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.500598][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.500792][  T287]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.500974][  T287]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.501161][  T287]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.501348][  T287]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.501528][  T287]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.501722][  T287]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.501935][  T287]  ? move_addr_to_kernel (net/socket.c:258)
[   12.502117][  T287]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.502304][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.502485][  T287]  ___sys_sendmsg (net/socket.c:2752)
[   12.502677][  T287]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.502890][  T287]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.503079][  T287]  __sys_sendmsg (net/socket.c:2784)
[   12.503269][  T287]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.503447][  T287]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.503679][  T287]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.503860][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.504044][  T287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.504232][  T287]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.504413][  T287]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.504593][  T287]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.504815][  T287] RIP: 0033:0x7f0ee2f8e08e
[   12.505005][  T287] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.505530][  T287] RSP: 002b:00007ffe88e08590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.505791][  T287] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0ee2f8e08e
[   12.506037][  T287] RDX: 0000000000000000 RSI: 00007ffe88e08640 RDI: 0000000000000005
[   12.506290][  T287] RBP: 00007ffe88e085a0 R08: 0000000000000000 R09: 0000000000000000
[   12.506535][  T287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e8
[   12.506792][  T287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe88e08d10
| [   12.508489][  T287] ---[ end trace 0000000000000000 ]---
| [   12.582412][  T291] ------------[ cut here ]------------
| [   12.582640][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/291
| [   12.583305][  T291] Tainted: [W]=WARN
[   12.583453][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.584303][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.584521][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.585046][  T291] RSP: 0018:ffa0000000a971a0 EFLAGS: 00010286
[   12.585269][  T291] RAX: 00000000ffffffa6 RBX: ff11000009717e00 RCX: 1ff4000000152dfa
[   12.585513][  T291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009717eb8
[   12.585769][  T291] RBP: ff1100000c531000 R08: 1fe22000012e2fd8 R09: ff1100000cdc2e80
[   12.586016][  T291] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.586267][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.586516][  T291] FS:  00007ff89494cec0(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   12.586813][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.587032][  T291] CR2: 00007ff894cad004 CR3: 0000000004b2a004 CR4: 0000000000771ef0
[   12.587291][  T291] PKRU: 55555554
[   12.587437][  T291] Call Trace:
[   12.587584][  T291]  <TASK>
[   12.587713][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.587895][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.588043][  T291]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.588233][  T291]  __dev_notify_flags (net/core/dev.c:9787)
[   12.588413][  T291]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.588598][  T291]  ? netif_change_name (net/core/dev.c:1495)
[   12.588790][  T291]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.588973][  T291]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   12.589166][  T291]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.589348][  T291]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   12.589532][  T291]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.589727][  T291]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.589907][  T291]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.590089][  T291]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.590278][  T291]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.590465][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.590664][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.590849][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.591034][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.591224][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.591410][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.591592][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.591782][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.591960][  T291]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.592145][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.592328][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.592510][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.592707][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.592889][  T291]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.593072][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.593260][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.593440][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.593637][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.593823][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.594002][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.594191][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.594373][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.594555][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.594748][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.594930][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.595110][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.595332][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   12.595511][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.595707][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.595923][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.596106][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.596327][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   12.596513][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.596707][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.596893][  T291]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.597073][  T291]  ? do_getsockname (net/socket.c:2192)
[   12.597265][  T291]  __sys_sendmsg (net/socket.c:2784)
[   12.597450][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.597646][  T291]  ? __sys_getsockname (net/socket.c:2210)
[   12.597828][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.598013][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.598202][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.598381][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.598562][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.598787][  T291] RIP: 0033:0x7ff894a0108e
[   12.598973][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.599503][  T291] RSP: 002b:00007ffeecdde650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.599768][  T291] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff894a0108e
[   12.600016][  T291] RDX: 0000000000000000 RSI: 00007ffeecdde6d0 RDI: 0000000000000005
[   12.600268][  T291] RBP: 00007ffeecdde660 R08: 0000000000000000 R09: 0000000000000000
[   12.600518][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeecde2df8
[   12.600773][  T291] R13: 0000000000000004 R14: 00007ff894ced000 R15: 000000000040bda8
| [   12.602477][  T291] ---[ end trace 0000000000000000 ]---
| [   12.658903][  T293] ------------[ cut here ]------------
| [   12.659067][  T293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/293
| [   12.659586][  T293] Tainted: [W]=WARN
[   12.659699][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.659874][  T293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.660051][  T293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.660539][  T293] RSP: 0018:ffa00000008e7020 EFLAGS: 00010286
[   12.660717][  T293] RAX: 00000000ffffffa6 RBX: ff110000092883c0 RCX: 1ff400000011cdca
[   12.660917][  T293] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009288478
[   12.661117][  T293] RBP: ff1100000c531000 R08: 1fe2200001251090 R09: ff1100000ff20b58
[   12.661325][  T293] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.661526][  T293] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c531ce1
[   12.661735][  T293] FS:  00007f466f8fc840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   12.661974][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.662149][  T293] CR2: 000000002abf8988 CR3: 000000000fe8a002 CR4: 0000000000771ef0
[   12.662353][  T293] PKRU: 55555554
[   12.662453][  T293] Call Trace:
[   12.662553][  T293]  <TASK>
[   12.662622][  T293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.662764][  T293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.662867][  T293]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.663001][  T293]  __dev_notify_flags (net/core/dev.c:9787)
[   12.663140][  T293]  ? netif_change_name (net/core/dev.c:1495)
[   12.663274][  T293]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.663408][  T293]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.663543][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.663683][  T293]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.663823][  T293]  netif_change_flags (net/core/dev.c:9820)
[   12.663962][  T293]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.664097][  T293]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.664241][  T293]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.664409][  T293]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.664544][  T293]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.665120][  T293]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.665260][  T293]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.665398][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.665534][  T293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.665672][  T293]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.665806][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.665940][  T293]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.666073][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.666210][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.666344][  T293]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.666480][  T293]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.666614][  T293]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.666754][  T293]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.666891][  T293]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.667026][  T293]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.667169][  T293]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.667305][  T293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.667438][  T293]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.667572][  T293]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.667711][  T293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.667845][  T293]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.667978][  T293]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.668110][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.668248][  T293]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.668383][  T293]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.668518][  T293]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.668656][  T293]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.668789][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.668924][  T293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.669056][  T293]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.669193][  T293]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.669327][  T293]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.669460][  T293]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.669598][  T293]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.669735][  T293]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.669870][  T293]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.670006][  T293]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.670146][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.670282][  T293]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.670416][  T293]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.670553][  T293]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.670696][  T293]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.670830][  T293]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.670965][  T293]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.671136][  T293]  ? move_addr_to_kernel (net/socket.c:258)
[   12.671272][  T293]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.671408][  T293]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.671545][  T293]  ___sys_sendmsg (net/socket.c:2752)
[   12.671682][  T293]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.671849][  T293]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.671992][  T293]  __sys_sendmsg (net/socket.c:2784)
[   12.672131][  T293]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.672263][  T293]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.672428][  T293]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.672563][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.672704][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.672839][  T293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.672972][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.673106][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.673277][  T293] RIP: 0033:0x7f466fb3608e
[   12.673416][  T293] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.673897][  T293] RSP: 002b:00007fff29c1c4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.674099][  T293] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f466fb3608e
[   12.674302][  T293] RDX: 0000000000000000 RSI: 00007fff29c1c560 RDI: 0000000000000005
[   12.674504][  T293] RBP: 00007fff29c1c4c0 R08: 0000000000000000 R09: 0000000000000000
[   12.674707][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5e9
[   12.674906][  T293] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff29c1cc30
| [   12.676258][  T293] ---[ end trace 0000000000000000 ]---
| [   13.181548][   T57] ------------[ cut here ]------------
| [   13.181778][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/57
| [   13.182420][   T57] Tainted: [W]=WARN
[   13.182561][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.182772][   T57] Workqueue: events_unbound linkwatch_event
[   13.182980][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.183205][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.183794][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   13.184044][   T57] RAX: 00000000ffffffa6 RBX: ff110000093dba80 RCX: 1ff400000007bf02
[   13.184284][   T57] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093dbb38
[   13.184519][   T57] RBP: ff11000008901000 R08: 1fe220000127b768 R09: ff1100000257d1a8
[   13.184762][   T57] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.184998][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.185251][   T57] FS:  0000000000000000(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   13.185528][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.185744][   T57] CR2: 0000000021b75808 CR3: 0000000010178003 CR4: 0000000000771ef0
[   13.185977][   T57] PKRU: 55555554
[   13.186117][   T57] Call Trace:
[   13.186267][   T57]  <TASK>
[   13.186378][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.186553][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.186736][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.186881][   T57]  netif_state_change (net/core/dev.c:1605)
[   13.187055][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.187262][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.187432][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.187605][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.187790][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.187961][   T57]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   13.188142][   T57]  process_one_work (kernel/workqueue.c:3314)
[   13.188320][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.188492][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.188679][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.188855][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.189027][   T57]  kthread (kernel/kthread.c:436)
[   13.189173][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.189381][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.189553][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.189736][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.189938][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.190112][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.190296][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.191848][   T57] ---[ end trace 0000000000000000 ]---
| [   13.409341][   T39] ------------[ cut here ]------------
| [   13.409503][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   13.410025][   T39] Tainted: [W]=WARN
[   13.410119][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.410275][   T39] Workqueue: events_unbound linkwatch_event
[   13.410433][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.410585][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.411010][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   13.411168][   T39] RAX: 00000000ffffffa6 RBX: ff1100000d58d380 RCX: 1ff4000000057f02
[   13.411342][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58d438
[   13.411542][   T39] RBP: ff1100000ccac000 R08: 1fe2200001ab1a88 R09: ff11000001d951a8
[   13.411724][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.411900][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.412076][   T39] FS:  0000000000000000(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   13.412290][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.412442][   T39] CR2: 00000000098d1808 CR3: 0000000034b49003 CR4: 0000000000771ef0
[   13.412617][   T39] PKRU: 55555554
[   13.412711][   T39] Call Trace:
[   13.412798][   T39]  <TASK>
[   13.412861][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.412981][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.413098][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.413196][   T39]  netif_state_change (net/core/dev.c:1605)
[   13.413316][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.413463][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.413580][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.413751][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.413871][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.413989][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   13.414105][   T39]  process_one_work (kernel/workqueue.c:3314)
[   13.414231][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.414349][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.414473][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.414591][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.414785][   T39]  kthread (kernel/kthread.c:436)
[   13.414874][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.415019][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.415142][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.415260][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.415404][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.415523][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.415695][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.416953][   T39] ---[ end trace 0000000000000000 ]---
| [   13.629919][   T60] ------------[ cut here ]------------
| [   13.630090][   T60] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/60
| [   13.630640][   T60] Tainted: [W]=WARN
[   13.630735][   T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.630890][   T60] Workqueue: events_unbound linkwatch_event
[   13.631052][   T60] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.631219][   T60] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.631667][   T60] RSP: 0018:ffa000000040f9e0 EFLAGS: 00010286
[   13.631825][   T60] RAX: 00000000ffffffa6 RBX: ff1100000526b700 RCX: 1ff4000000081f02
[   13.632009][   T60] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526b7b8
[   13.632201][   T60] RBP: ff1100000c531000 R08: 1fe2200000a4d6f8 R09: ff110000052c51a8
[   13.632388][   T60] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.632576][   T60] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.632770][   T60] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   13.632986][   T60] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.633145][   T60] CR2: 0000000018c68808 CR3: 000000000fe83004 CR4: 0000000000771ef0
[   13.633332][   T60] PKRU: 55555554
[   13.633426][   T60] Call Trace:
[   13.633518][   T60]  <TASK>
[   13.633583][   T60]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.633721][   T60]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.633848][   T60]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.633942][   T60]  netif_state_change (net/core/dev.c:1605)
[   13.634069][   T60]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.634231][   T60]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.634353][   T60]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.634482][   T60]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.634610][   T60]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.634740][   T60]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   13.634865][   T60]  process_one_work (kernel/workqueue.c:3314)
[   13.634996][   T60]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.635132][   T60]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.635260][   T60]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.635386][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.635509][   T60]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.635641][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.635768][   T60]  kthread (kernel/kthread.c:436)
[   13.635862][   T60]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.636018][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.636147][   T60]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.636274][   T60]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.636429][   T60]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.636554][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.636687][   T60]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.674804][  T343] tun2: deleting peer with id 11, reason 4
| [   19.675842][   T60] ------------[ cut here ]------------
| [   19.676059][   T60] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/60
| [   19.676610][   T60] Tainted: [W]=WARN
[   19.676714][   T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.676870][   T60] Workqueue: events_unbound linkwatch_event
[   19.677036][   T60] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.677204][   T60] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.677739][   T60] RSP: 0018:ffa000000040f9e0 EFLAGS: 00010286
[   19.677895][   T60] RAX: 00000000ffffffa6 RBX: ff1100000feeb8c0 RCX: 1ff4000000081f02
[   19.678083][   T60] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feeb978
[   19.678352][   T60] RBP: ff1100000ccac000 R08: 1fe2200001fdd730 R09: ff110000052c51a8
[   19.678536][   T60] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   19.678734][   T60] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.679000][   T60] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   19.679222][   T60] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.679380][   T60] CR2: 000055692b6bad5c CR3: 0000000034b49004 CR4: 0000000000771ef0
[   19.679569][   T60] PKRU: 55555554
[   19.679667][   T60] Call Trace:
[   19.679762][   T60]  <TASK>
[   19.679827][   T60]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.680029][   T60]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.680159][   T60]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.680255][   T60]  netif_state_change (net/core/dev.c:1605)
[   19.680382][   T60]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   19.680585][   T60]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   19.680750][   T60]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   19.680877][   T60]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   19.681000][   T60]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.681208][   T60]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.681336][   T60]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.681461][   T60]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   19.681588][   T60]  process_one_work (kernel/workqueue.c:3314)
[   19.681795][   T60]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.681920][   T60]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.682050][   T60]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.682180][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.682306][   T60]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.682434][   T60]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.682562][   T60]  kthread (kernel/kthread.c:436)
[   19.682738][   T60]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.682981][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.683107][   T60]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.683242][   T60]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.683396][   T60]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.683525][   T60]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.683730][   T60]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.687210][  T298] tun0: deleting peer with id 2, reason 4
| [   19.725822][  T463] ------------[ cut here ]------------
| [   19.725980][  T463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/463
| [   19.726483][  T463] Tainted: [W]=WARN
[   19.726583][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.727008][  T463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.727186][  T463] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.727651][  T463] RSP: 0018:ffa0000000db7058 EFLAGS: 00010286
[   19.727821][  T463] RAX: 00000000ffffffa6 RBX: ff1100000526b8c0 RCX: 1ff40000001b6dd1
[   19.728020][  T463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526b978
[   19.728220][  T463] RBP: ff11000008a11000 R08: 1fe2200000a4d730 R09: ff1100000cc9ae58
[   19.728415][  T463] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.728609][  T463] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009f21000
[   19.728810][  T463] FS:  00007f32ec4ae840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   19.729035][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.729202][  T463] CR2: 000000002a83d988 CR3: 000000000fe98002 CR4: 0000000000771ef0
[   19.729402][  T463] PKRU: 55555554
[   19.729500][  T463] Call Trace:
[   19.729597][  T463]  <TASK>
[   19.729672][  T463]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.729805][  T463]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.729904][  T463]  netif_close_many (net/core/dev.c:1804)
[   19.730034][  T463]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.730170][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.730301][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.730430][  T463]  ? __dev_close_many (net/core/dev.c:1781)
[   19.730564][  T463]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.730736][  T463]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.730897][  T463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.731028][  T463]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.731192][  T463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.731322][  T463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.731450][  T463]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.731613][  T463]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.731751][  T463]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.731882][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.732012][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.732141][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.732274][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.732415][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.732543][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.732678][  T463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.732809][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.732939][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.733067][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.733200][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.733329][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.733458][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.733586][  T463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.733721][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.733850][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.733977][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.734107][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.734241][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.734370][  T463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.734500][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.734636][  T463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.734770][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.734898][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.735029][  T463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.735162][  T463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.735292][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.735422][  T463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.735551][  T463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.735686][  T463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.735817][  T463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.735947][  T463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.736077][  T463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.736239][  T463]  ? move_addr_to_kernel (net/socket.c:258)
[   19.736368][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.736498][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.736632][  T463]  ___sys_sendmsg (net/socket.c:2752)
[   19.736761][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.736923][  T463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.737062][  T463]  __sys_sendmsg (net/socket.c:2784)
[   19.737198][  T463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.737326][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.737488][  T463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.737618][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.737752][  T463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.737885][  T463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.738016][  T463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.738150][  T463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.738310][  T463] RIP: 0033:0x7f32ec6e808e
[   19.738445][  T463] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.738911][  T463] RSP: 002b:00007ffc2d2655d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.739107][  T463] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f32ec6e808e
[   19.739305][  T463] RDX: 0000000000000000 RSI: 00007ffc2d265680 RDI: 0000000000000005
[   19.739501][  T463] RBP: 00007ffc2d2655e0 R08: 0000000000000000 R09: 0000000000000000
[   19.739700][  T463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.739893][  T463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d265d50
| [   19.741193][  T463] ---[ end trace 0000000000000000 ]---
| [   19.743231][  T463] ------------[ cut here ]------------
| [   19.743371][  T463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/463
| [   19.743948][  T463] Tainted: [W]=WARN
[   19.744046][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.744211][  T463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.744376][  T463] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.744906][  T463] RSP: 0018:ffa0000000db7058 EFLAGS: 00010286
[   19.745068][  T463] RAX: 00000000ffffffa6 RBX: ff11000009289000 RCX: 1ff40000001b6dd1
[   19.745263][  T463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092890b8
[   19.745456][  T463] RBP: ff11000009f21000 R08: 1fe2200001251218 R09: ff1100000cc9ae58
[   19.745745][  T463] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.745936][  T463] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000db70f0
[   19.746206][  T463] FS:  00007f32ec4ae840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   19.746431][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.746594][  T463] CR2: 000000002a83d988 CR3: 000000000fe98002 CR4: 0000000000771ef0
[   19.746853][  T463] PKRU: 55555554
[   19.746950][  T463] Call Trace:
[   19.747048][  T463]  <TASK>
[   19.747114][  T463]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.747246][  T463]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.747375][  T463]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.747472][  T463]  netif_close_many (net/core/dev.c:1804)
[   19.747603][  T463]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.747815][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.747943][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.748071][  T463]  ? __dev_close_many (net/core/dev.c:1781)
[   19.748204][  T463]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.748365][  T463]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.748527][  T463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.748742][  T463]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.748902][  T463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.749030][  T463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.749160][  T463]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.749321][  T463]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.749452][  T463]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.749582][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.749737][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.749867][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.749995][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.750137][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.750268][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.750396][  T463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.750523][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.750658][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.750788][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.750916][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.751043][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.751175][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.751304][  T463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.751430][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.751558][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.751689][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.751820][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.751948][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.752075][  T463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.752208][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.752338][  T463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.752470][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.752598][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.752734][  T463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.752864][  T463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.752992][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.753122][  T463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.753255][  T463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.753384][  T463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.753514][  T463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.753649][  T463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.753779][  T463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.753939][  T463]  ? move_addr_to_kernel (net/socket.c:258)
[   19.754067][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.754200][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.754329][  T463]  ___sys_sendmsg (net/socket.c:2752)
[   19.754457][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.754615][  T463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.754761][  T463]  __sys_sendmsg (net/socket.c:2784)
[   19.754891][  T463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.755021][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.755187][  T463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.755316][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.755445][  T463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.755573][  T463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.755709][  T463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.755839][  T463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.755999][  T463] RIP: 0033:0x7f32ec6e808e
[   19.756133][  T463] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.756594][  T463] RSP: 002b:00007ffc2d2655d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.756793][  T463] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f32ec6e808e
[   19.756987][  T463] RDX: 0000000000000000 RSI: 00007ffc2d265680 RDI: 0000000000000005
[   19.757184][  T463] RBP: 00007ffc2d2655e0 R08: 0000000000000000 R09: 0000000000000000
[   19.757377][  T463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.757572][  T463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d265d50
| [   19.758868][  T463] ---[ end trace 0000000000000000 ]---
| [   19.761191][  T463] ------------[ cut here ]------------
| [   19.761362][  T463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/463
| [   19.761940][  T463] Tainted: [W]=WARN
[   19.762080][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.762302][  T463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.762515][  T463] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.763015][  T463] RSP: 0018:ffa0000000db7188 EFLAGS: 00010286
[   19.763221][  T463] RAX: 00000000ffffffa6 RBX: ff1100000f8d8900 RCX: 1ff40000001b6df7
[   19.763456][  T463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d89b8
[   19.763720][  T463] RBP: ff11000008a11000 R08: 1fe2200001f1b138 R09: ff1100000cc9ae58
[   19.763950][  T463] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.764189][  T463] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.764424][  T463] FS:  00007f32ec4ae840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   19.764705][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.764910][  T463] CR2: 00007f4fb3431000 CR3: 000000000fe98003 CR4: 0000000000771ef0
[   19.765153][  T463] PKRU: 55555554
[   19.765294][  T463] Call Trace:
[   19.765433][  T463]  <TASK>
[   19.765544][  T463]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.765766][  T463]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.765965][  T463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.766136][  T463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.766315][  T463]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.766523][  T463]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.766707][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.766877][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.767053][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.767232][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.767421][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.767593][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.767776][  T463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.767948][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.768122][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.768308][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.768482][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.768668][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.768841][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.769014][  T463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.769192][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.769364][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.769534][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.769724][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.769895][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.770067][  T463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.770247][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.770418][  T463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.770592][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.770773][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.770947][  T463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.771122][  T463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.771302][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.771473][  T463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.771659][  T463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.771832][  T463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.772007][  T463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.772188][  T463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.772362][  T463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.772563][  T463]  ? move_addr_to_kernel (net/socket.c:258)
[   19.772748][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.772920][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.773091][  T463]  ___sys_sendmsg (net/socket.c:2752)
[   19.773269][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.773470][  T463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.773665][  T463]  __sys_sendmsg (net/socket.c:2784)
[   19.773838][  T463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.774007][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.774219][  T463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.774391][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.774563][  T463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.774748][  T463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.774921][  T463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.775095][  T463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.775302][  T463] RIP: 0033:0x7f32ec6e808e
[   19.775478][  T463] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.775974][  T463] RSP: 002b:00007ffc2d2655d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.776220][  T463] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f32ec6e808e
[   19.776452][  T463] RDX: 0000000000000000 RSI: 00007ffc2d265680 RDI: 0000000000000005
[   19.776696][  T463] RBP: 00007ffc2d2655e0 R08: 0000000000000000 R09: 0000000000000000
[   19.776926][  T463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.777167][  T463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d265d50
| [   19.778762][  T463] ---[ end trace 0000000000000000 ]---
| [   19.787913][  T463] ------------[ cut here ]------------
| [   19.788092][  T463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/463
| [   19.788849][  T463] Tainted: [W]=WARN
[   19.788987][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.789195][  T463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.789402][  T463] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.789893][  T463] RSP: 0018:ffa0000000db7188 EFLAGS: 00010286
[   19.790098][  T463] RAX: 00000000ffffffa6 RBX: ff1100000d58da80 RCX: 1ff40000001b6df7
[   19.790332][  T463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58db38
[   19.790563][  T463] RBP: ff11000009f21000 R08: 1fe2200001ab1b68 R09: ff1100000cc9ae58
[   19.790808][  T463] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.791037][  T463] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.791281][  T463] FS:  00007f32ec4ae840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   19.791543][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.791760][  T463] CR2: 00007f4fb3431000 CR3: 000000000fe98003 CR4: 0000000000771ef0
[   19.791998][  T463] PKRU: 55555554
[   19.792135][  T463] Call Trace:
[   19.792282][  T463]  <TASK>
[   19.792392][  T463]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.792596][  T463]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.792806][  T463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.792979][  T463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.793156][  T463]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.793363][  T463]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.793534][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.793715][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.793887][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.794057][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.794248][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.794418][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.794591][  T463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.794771][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.794943][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.795112][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.795286][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.795455][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.795688][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.795862][  T463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.796036][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.796215][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.796384][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.796555][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.796736][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.796908][  T463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.797081][  T463]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.797256][  T463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.797432][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.797602][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.797787][  T463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.797960][  T463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.798130][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.798308][  T463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.798481][  T463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.798667][  T463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.798839][  T463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.799009][  T463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.799187][  T463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.799385][  T463]  ? move_addr_to_kernel (net/socket.c:258)
[   19.799557][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.799735][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.799911][  T463]  ___sys_sendmsg (net/socket.c:2752)
[   19.800080][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.800282][  T463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.800460][  T463]  __sys_sendmsg (net/socket.c:2784)
[   19.800641][  T463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.800811][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.801014][  T463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.801192][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.801364][  T463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.801533][  T463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.801715][  T463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.801887][  T463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.802087][  T463] RIP: 0033:0x7f32ec6e808e
[   19.802268][  T463] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.802764][  T463] RSP: 002b:00007ffc2d2655d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.802995][  T463] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f32ec6e808e
[   19.803231][  T463] RDX: 0000000000000000 RSI: 00007ffc2d265680 RDI: 0000000000000005
[   19.803464][  T463] RBP: 00007ffc2d2655e0 R08: 0000000000000000 R09: 0000000000000000
[   19.803704][  T463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.803933][  T463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d265d50
| [   19.805511][  T463] ---[ end trace 0000000000000000 ]---
| [   19.844941][  T464] ------------[ cut here ]------------
| [   19.845093][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   19.845591][  T464] Tainted: [W]=WARN
[   19.846278][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.846447][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.846612][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.847156][  T464] RSP: 0018:ffa0000000e47058 EFLAGS: 00010286
[   19.847315][  T464] RAX: 00000000ffffffa6 RBX: ff11000009716c80 RCX: 1ff40000001c8dd1
[   19.847534][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009716d38
[   19.847795][  T464] RBP: ff1100000ced9000 R08: 1fe22000012e2da8 R09: ff11000005022e58
[   19.847982][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.848177][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d6ec000
[   19.848368][  T464] FS:  00007f8206835840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   19.848587][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.848792][  T464] CR2: 000000003d74b988 CR3: 0000000010312004 CR4: 0000000000771ef0
[   19.848981][  T464] PKRU: 55555554
[   19.849076][  T464] Call Trace:
[   19.849173][  T464]  <TASK>
[   19.849238][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.849384][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.849484][  T464]  netif_close_many (net/core/dev.c:1804)
[   19.849610][  T464]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.849742][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.849869][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.849993][  T464]  ? __dev_close_many (net/core/dev.c:1781)
[   19.850137][  T464]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.850304][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.850462][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.850589][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.850751][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.850881][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.851007][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.851169][  T464]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.851298][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.851423][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.851549][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.851697][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.851821][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.851963][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.852087][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.852215][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.852341][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.852468][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.852592][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.852723][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.852848][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.852975][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.853100][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.853230][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.853355][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.853481][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.853611][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.853741][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.853870][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.853993][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.854118][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.854250][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.854374][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.854501][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.854634][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.854778][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.854909][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.855036][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.855167][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.855293][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.855422][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.855552][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.855780][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   19.855909][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.856036][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.856208][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   19.856341][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.856494][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.856680][  T464]  __sys_sendmsg (net/socket.c:2784)
[   19.856804][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.856929][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.857109][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.857242][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.857366][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.857490][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.857698][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.857823][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.857977][  T464] RIP: 0033:0x7f8206a6f08e
[   19.858114][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.858581][  T464] RSP: 002b:00007ffcefd38ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.858849][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8206a6f08e
[   19.859038][  T464] RDX: 0000000000000000 RSI: 00007ffcefd38f80 RDI: 0000000000000005
[   19.859230][  T464] RBP: 00007ffcefd38ee0 R08: 0000000000000000 R09: 0000000000000000
[   19.859416][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.859600][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcefd39650
| [   19.861076][  T464] ---[ end trace 0000000000000000 ]---
| [   19.862530][  T464] ------------[ cut here ]------------
| [   19.862661][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   19.863125][  T464] Tainted: [W]=WARN
[   19.863223][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.863403][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.863566][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.864025][  T464] RSP: 0018:ffa0000000e47058 EFLAGS: 00010286
[   19.864190][  T464] RAX: 00000000ffffffa6 RBX: ff110000101abe00 RCX: 1ff40000001c8dd1
[   19.864405][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000101abeb8
[   19.864599][  T464] RBP: ff1100000d6ec000 R08: 1fe22000020357d8 R09: ff11000005022e58
[   19.864884][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.865070][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000e470f0
[   19.865260][  T464] FS:  00007f8206835840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   19.865479][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.865702][  T464] CR2: 000000003d74b988 CR3: 0000000010312004 CR4: 0000000000771ef0
[   19.865891][  T464] PKRU: 55555554
[   19.866002][  T464] Call Trace:
[   19.866098][  T464]  <TASK>
[   19.866301][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.866427][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.866555][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.866705][  T464]  netif_close_many (net/core/dev.c:1804)
[   19.866832][  T464]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.866956][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.867082][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.867214][  T464]  ? __dev_close_many (net/core/dev.c:1781)
[   19.867342][  T464]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.867499][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.867733][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.867859][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.868013][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.868137][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.868265][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.868424][  T464]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.868557][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.868738][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.868886][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.869011][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.869164][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.869307][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.869463][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.869591][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.869770][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.869898][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.870021][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.870176][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.870310][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.870438][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.870563][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.870743][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.870867][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.870993][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.871121][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.871249][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.871375][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.871499][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.871676][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.871803][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.871927][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.872073][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.872207][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.872332][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.872482][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.872685][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.872817][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.872943][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.873070][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.873200][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.873355][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   19.873495][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.873623][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.873832][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   19.873957][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.874113][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.874250][  T464]  __sys_sendmsg (net/socket.c:2784)
[   19.874375][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.874504][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.874719][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.874846][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.874987][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.875112][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.875292][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.875416][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.875570][  T464] RIP: 0033:0x7f8206a6f08e
[   19.875773][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.876228][  T464] RSP: 002b:00007ffcefd38ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.876416][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8206a6f08e
[   19.876602][  T464] RDX: 0000000000000000 RSI: 00007ffcefd38f80 RDI: 0000000000000005
[   19.876840][  T464] RBP: 00007ffcefd38ee0 R08: 0000000000000000 R09: 0000000000000000
[   19.877027][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.877218][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcefd39650
| [   19.878549][  T464] ---[ end trace 0000000000000000 ]---
| [   19.881131][  T464] ------------[ cut here ]------------
| [   19.881281][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   19.881777][  T464] Tainted: [W]=WARN
[   19.881868][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.882021][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.882182][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.882643][  T464] RSP: 0018:ffa0000000e47188 EFLAGS: 00010286
[   19.882798][  T464] RAX: 00000000ffffffa6 RBX: ff1100000ce27e00 RCX: 1ff40000001c8df7
[   19.882980][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce27eb8
[   19.883221][  T464] RBP: ff1100000ced9000 R08: 1fe22000019c4fd8 R09: ff11000005022e58
[   19.883408][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.883588][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.883929][  T464] FS:  00007f8206835840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   19.884168][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.884326][  T464] CR2: 000000003d74b988 CR3: 0000000010312004 CR4: 0000000000771ef0
[   19.884508][  T464] PKRU: 55555554
[   19.884599][  T464] Call Trace:
[   19.884697][  T464]  <TASK>
[   19.884759][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.884925][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.885091][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.885276][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.885395][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.885551][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.885678][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.885801][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.885942][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.886066][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.886213][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.886337][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.886462][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.886584][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.886714][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.886839][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.886963][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.887089][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.887241][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.887362][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.887484][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.887609][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.887896][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.888026][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.888151][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.888272][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.888395][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.888520][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.888742][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.888993][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.889128][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.889256][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.889377][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.889501][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.889623][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.889820][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.889945][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.890067][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.890211][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.890365][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   19.890486][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.890607][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.890798][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   19.890918][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.891071][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.891206][  T464]  __sys_sendmsg (net/socket.c:2784)
[   19.891360][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.891487][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.891692][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.891815][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.891936][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.892059][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.892184][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.892305][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.892456][  T464] RIP: 0033:0x7f8206a6f08e
[   19.892583][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.893068][  T464] RSP: 002b:00007ffcefd38ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.893256][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8206a6f08e
[   19.893437][  T464] RDX: 0000000000000000 RSI: 00007ffcefd38f80 RDI: 0000000000000005
[   19.893621][  T464] RBP: 00007ffcefd38ee0 R08: 0000000000000000 R09: 0000000000000000
[   19.893863][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.894049][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcefd39650
| [   19.895323][  T464] ---[ end trace 0000000000000000 ]---
| [   19.907405][  T464] ------------[ cut here ]------------
| [   19.907574][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/464
| [   19.908040][  T464] Tainted: [W]=WARN
[   19.908131][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.908288][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.908445][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.908880][  T464] RSP: 0018:ffa0000000e47188 EFLAGS: 00010286
[   19.909031][  T464] RAX: 00000000ffffffa6 RBX: ff1100000ce3ae40 RCX: 1ff40000001c8df7
[   19.909216][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce3aef8
[   19.909397][  T464] RBP: ff1100000d6ec000 R08: 1fe22000019c75e0 R09: ff11000005022e58
[   19.909577][  T464] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.909758][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.909947][  T464] FS:  00007f8206835840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   19.910179][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.910332][  T464] CR2: 00007f8b0da00f98 CR3: 0000000010312002 CR4: 0000000000771ef0
[   19.910543][  T464] PKRU: 55555554
[   19.910638][  T464] Call Trace:
[   19.910729][  T464]  <TASK>
[   19.910792][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.910945][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.911094][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.911228][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.911353][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.911508][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.911633][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.911754][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.911875][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.911996][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.912138][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.912268][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.912388][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.912511][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.913447][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.913597][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.913723][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.913844][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.913965][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.914091][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.914221][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.914346][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.914468][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.914590][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.914714][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.914836][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.914977][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.915099][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.915234][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.915354][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.915475][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.915597][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.915727][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.915849][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.915972][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.916097][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.916224][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.916344][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.916465][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.916613][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   19.916741][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.916863][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.916988][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   19.917107][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.917287][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.917417][  T464]  __sys_sendmsg (net/socket.c:2784)
[   19.917537][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.917662][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.917817][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.917937][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.918060][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.918186][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.918306][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.918437][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.918587][  T464] RIP: 0033:0x7f8206a6f08e
[   19.918721][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.919171][  T464] RSP: 002b:00007ffcefd38ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.919356][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8206a6f08e
[   19.919537][  T464] RDX: 0000000000000000 RSI: 00007ffcefd38f80 RDI: 0000000000000005
[   19.919722][  T464] RBP: 00007ffcefd38ee0 R08: 0000000000000000 R09: 0000000000000000
[   19.919904][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.920084][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcefd39650
| [   19.921349][  T464] ---[ end trace 0000000000000000 ]---
| [   19.955823][  T465] ------------[ cut here ]------------
| [   19.956017][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/465
| [   19.956592][  T465] Tainted: [W]=WARN
[   19.957074][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.957317][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.957532][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.958124][  T465] RSP: 0018:ffa00000011a7058 EFLAGS: 00010286
[   19.958347][  T465] RAX: 00000000ffffffa6 RBX: ff1100000ce3be00 RCX: 1ff4000000234dd1
[   19.958583][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce3beb8
[   19.958851][  T465] RBP: ff1100000c98c000 R08: 1fe22000019c77d8 R09: ff1100000cb6d158
[   19.959125][  T465] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.959372][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c989000
[   19.959609][  T465] FS:  00007f91b8fff840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   19.959886][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.960093][  T465] CR2: 0000000014414988 CR3: 000000000ff5f005 CR4: 0000000000771ef0
[   19.960336][  T465] PKRU: 55555554
[   19.960478][  T465] Call Trace:
[   19.960635][  T465]  <TASK>
[   19.960747][  T465]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.960922][  T465]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.961066][  T465]  netif_close_many (net/core/dev.c:1804)
[   19.961249][  T465]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.961421][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.961593][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.961778][  T465]  ? __dev_close_many (net/core/dev.c:1781)
[   19.961987][  T465]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.962200][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.962405][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.962579][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.962794][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.962993][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.963171][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.963390][  T465]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.963566][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.963752][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.963934][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.964109][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.964288][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.964489][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.964676][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.964855][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.965058][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.965244][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.965419][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.965592][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.965782][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.965971][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.966159][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.966335][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.966508][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.966712][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.966894][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.967066][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.967248][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.967421][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.967606][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.967819][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.967999][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.968180][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.968378][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.968571][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.968757][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.968933][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.969139][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.969338][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.969513][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.969708][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.969938][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   19.970111][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.970289][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.970465][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   19.970649][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.970852][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.971035][  T465]  __sys_sendmsg (net/socket.c:2784)
[   19.971215][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.971385][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.971592][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.971781][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.971956][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.972131][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.972311][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.972483][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.972700][  T465] RIP: 0033:0x7f91b923908e
[   19.972878][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.973380][  T465] RSP: 002b:00007ffc6618e080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.973648][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f91b923908e
[   19.973889][  T465] RDX: 0000000000000000 RSI: 00007ffc6618e130 RDI: 0000000000000005
[   19.974129][  T465] RBP: 00007ffc6618e090 R08: 0000000000000000 R09: 0000000000000000
[   19.974453][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.974701][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6618e800
| [   19.976388][  T465] ---[ end trace 0000000000000000 ]---
| [   19.977855][  T465] ------------[ cut here ]------------
| [   19.978030][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/465
| [   19.978611][  T465] Tainted: [W]=WARN
[   19.979434][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.979732][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.980027][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.980637][  T465] RSP: 0018:ffa00000011a7058 EFLAGS: 00010286
[   19.980907][  T465] RAX: 00000000ffffffa6 RBX: ff110000101a7380 RCX: 1ff4000000234dd1
[   19.981185][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000101a7438
[   19.981416][  T465] RBP: ff1100000c989000 R08: 1fe2200002034e88 R09: ff1100000cb6d158
[   19.981665][  T465] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.981918][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011a70f0
[   19.982161][  T465] FS:  00007f91b8fff840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   19.982452][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.982673][  T465] CR2: 0000000014414988 CR3: 000000000ff5f005 CR4: 0000000000771ef0
[   19.982913][  T465] PKRU: 55555554
[   19.983053][  T465] Call Trace:
[   19.983202][  T465]  <TASK>
[   19.983313][  T465]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.983487][  T465]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.983698][  T465]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.983849][  T465]  netif_close_many (net/core/dev.c:1804)
[   19.984022][  T465]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.984250][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.984422][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.984608][  T465]  ? __dev_close_many (net/core/dev.c:1781)
[   19.984794][  T465]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.985024][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.985238][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.985411][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.985618][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.985804][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.985987][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.986197][  T465]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.986371][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.986542][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.986725][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.986918][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.987089][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.987283][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.987453][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.987638][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.987812][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.987984][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.988162][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.988337][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.988508][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.988694][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.988868][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.989039][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.989218][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.989388][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.989563][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.989754][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.989927][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.990098][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   19.990276][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.990450][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.990621][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.990808][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.990984][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.991163][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.991335][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.991509][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.991695][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.991867][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.992039][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.992216][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.992420][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   19.992594][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.992776][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.992950][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   19.993141][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.993353][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.993537][  T465]  __sys_sendmsg (net/socket.c:2784)
[   19.993728][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.993901][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.994108][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.994291][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.994466][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.994651][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.994828][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.995005][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.995254][  T465] RIP: 0033:0x7f91b923908e
[   19.995431][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.995939][  T465] RSP: 002b:00007ffc6618e080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.996185][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f91b923908e
[   19.996430][  T465] RDX: 0000000000000000 RSI: 00007ffc6618e130 RDI: 0000000000000005
[   19.996684][  T465] RBP: 00007ffc6618e090 R08: 0000000000000000 R09: 0000000000000000
[   19.996926][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   19.997172][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6618e800
| [   19.998797][  T465] ---[ end trace 0000000000000000 ]---
| [   20.006480][  T465] ------------[ cut here ]------------
| [   20.006649][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/465
| [   20.007118][  T465] Tainted: [W]=WARN
[   20.007223][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.007381][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.007544][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.007995][  T465] RSP: 0018:ffa00000011a7188 EFLAGS: 00010286
[   20.008154][  T465] RAX: 00000000ffffffa6 RBX: ff11000009289c40 RCX: 1ff4000000234df7
[   20.008338][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009289cf8
[   20.008525][  T465] RBP: ff1100000c98c000 R08: 1fe22000012513a0 R09: ff1100000cb6d158
[   20.008716][  T465] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.008900][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.009084][  T465] FS:  00007f91b8fff840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.009306][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.009462][  T465] CR2: 000000003d74b988 CR3: 000000000ff5f006 CR4: 0000000000771ef0
[   20.009659][  T465] PKRU: 55555554
[   20.009751][  T465] Call Trace:
[   20.009843][  T465]  <TASK>
[   20.009907][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.010063][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.010221][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.010353][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.010475][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.010637][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.010765][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.010893][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.011016][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.011141][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.011284][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.011406][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.011528][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.011658][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.011786][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.011910][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.012036][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.012167][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.012293][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.012418][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.012541][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.012667][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.012792][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.012916][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.013039][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.013169][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.013293][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.013417][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.013543][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.013688][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.013815][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.013944][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.014071][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.014202][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.014329][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.014456][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.014582][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.014709][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.014838][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.014990][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   20.015115][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.015276][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.015402][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   20.015527][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.015686][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.015819][  T465]  __sys_sendmsg (net/socket.c:2784)
[   20.015943][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.016068][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.016227][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.016350][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.016473][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.016596][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.016727][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.016852][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.017009][  T465] RIP: 0033:0x7f91b923908e
[   20.017140][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.017583][  T465] RSP: 002b:00007ffc6618e080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.017800][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f91b923908e
[   20.017981][  T465] RDX: 0000000000000000 RSI: 00007ffc6618e130 RDI: 0000000000000005
[   20.018165][  T465] RBP: 00007ffc6618e090 R08: 0000000000000000 R09: 0000000000000000
[   20.018343][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.018529][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6618e800
| [   20.019768][  T465] ---[ end trace 0000000000000000 ]---
| [   20.021309][  T465] ------------[ cut here ]------------
| [   20.021449][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/465
| [   20.021917][  T465] Tainted: [W]=WARN
[   20.022010][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.022169][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.022331][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.022775][  T465] RSP: 0018:ffa00000011a7188 EFLAGS: 00010286
[   20.022932][  T465] RAX: 00000000ffffffa6 RBX: ff1100000d59ee40 RCX: 1ff4000000234df7
[   20.023117][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d59eef8
[   20.023305][  T465] RBP: ff1100000c989000 R08: 1fe2200001ab3de0 R09: ff1100000cb6d158
[   20.023486][  T465] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.023673][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.023856][  T465] FS:  00007f91b8fff840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.024070][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.024230][  T465] CR2: 000000003d74b988 CR3: 000000000ff5f006 CR4: 0000000000771ef0
[   20.024413][  T465] PKRU: 55555554
[   20.024503][  T465] Call Trace:
[   20.024595][  T465]  <TASK>
[   20.024664][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.024820][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.024975][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.025098][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.025228][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.025383][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.025504][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.025631][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.025754][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.025877][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.026014][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.026135][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.026261][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.026383][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.026505][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.026630][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.026753][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.026876][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.026999][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.027122][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.027253][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.027375][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.027495][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.027618][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.027745][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.027869][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.027990][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.028112][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.028240][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.028361][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.028483][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.028607][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.028736][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.028859][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.028981][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.029104][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.029231][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.029354][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.029476][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.029633][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   20.029758][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.029883][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.030011][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   20.030138][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.030297][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.030431][  T465]  __sys_sendmsg (net/socket.c:2784)
[   20.030557][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.030689][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.030842][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.030962][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.031083][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.031206][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.031326][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.031446][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.031596][  T465] RIP: 0033:0x7f91b923908e
[   20.031726][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.032169][  T465] RSP: 002b:00007ffc6618e080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.032352][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f91b923908e
[   20.032537][  T465] RDX: 0000000000000000 RSI: 00007ffc6618e130 RDI: 0000000000000005
[   20.032724][  T465] RBP: 00007ffc6618e090 R08: 0000000000000000 R09: 0000000000000000
[   20.032908][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.033090][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6618e800
| [   20.034313][  T465] ---[ end trace 0000000000000000 ]---
| [   20.075881][  T466] ------------[ cut here ]------------
| [   20.076098][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/466
| [   20.076687][  T466] Tainted: [W]=WARN
[   20.076850][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.077058][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.077273][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.077790][  T466] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   20.077996][  T466] RAX: 00000000ffffffa6 RBX: ff11000010244900 RCX: 1ff4000000236dd1
[   20.078235][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000102449b8
[   20.078468][  T466] RBP: ff11000008be1000 R08: 1fe2200002048938 R09: ff11000004b10b58
[   20.078709][  T466] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   20.078942][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000856c000
[   20.079192][  T466] FS:  00007fde90dc9840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   20.079459][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.079676][  T466] CR2: 000000001fa67988 CR3: 0000000010328001 CR4: 0000000000771ef0
[   20.079909][  T466] PKRU: 55555554
[   20.080047][  T466] Call Trace:
[   20.080194][  T466]  <TASK>
[   20.080305][  T466]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.080478][  T466]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.080620][  T466]  netif_close_many (net/core/dev.c:1804)
[   20.080804][  T466]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.080980][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.081156][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.081331][  T466]  ? __dev_close_many (net/core/dev.c:1781)
[   20.081505][  T466]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.081719][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.081920][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.082113][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.082332][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.082503][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.082684][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.082887][  T466]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.083059][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.083240][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.083411][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.083582][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.083777][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.083963][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.084133][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.084314][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.084486][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.084671][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.084841][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.085013][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.085193][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.085371][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.085544][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.085728][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.085898][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.086068][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.086246][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.086415][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.086590][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.086770][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.086945][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.087119][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.087300][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.087477][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.087661][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.087832][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.088003][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.088183][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.088359][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.088532][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.088717][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.088891][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.089097][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   20.089282][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.089456][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.089645][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   20.089819][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.090020][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.090207][  T466]  __sys_sendmsg (net/socket.c:2784)
[   20.090379][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.090549][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.090765][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.090939][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.091114][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.091364][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.091534][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.091717][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.091919][  T466] RIP: 0033:0x7fde9100308e
[   20.092095][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.092590][  T466] RSP: 002b:00007fff5d267710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.092834][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde9100308e
[   20.093066][  T466] RDX: 0000000000000000 RSI: 00007fff5d2677c0 RDI: 0000000000000005
[   20.093310][  T466] RBP: 00007fff5d267720 R08: 0000000000000000 R09: 0000000000000000
[   20.093544][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.093786][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5d267e90
| [   20.095392][  T466] ---[ end trace 0000000000000000 ]---
| [   20.096762][  T466] ------------[ cut here ]------------
| [   20.096934][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/466
| [   20.097518][  T466] Tainted: [W]=WARN
[   20.098271][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.098471][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.098709][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.099209][  T466] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   20.099413][  T466] RAX: 00000000ffffffa6 RBX: ff1100000d6a4c80 RCX: 1ff4000000236dd1
[   20.099656][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d6a4d38
[   20.099886][  T466] RBP: ff1100000856c000 R08: 1fe2200001ad49a8 R09: ff11000004b10b58
[   20.100118][  T466] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   20.100356][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011b70f0
[   20.100589][  T466] FS:  00007fde90dc9840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   20.100861][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.101063][  T466] CR2: 000000001fa67988 CR3: 0000000010328001 CR4: 0000000000771ef0
[   20.101322][  T466] PKRU: 55555554
[   20.101460][  T466] Call Trace:
[   20.101600][  T466]  <TASK>
[   20.101723][  T466]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.101894][  T466]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.102065][  T466]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.102214][  T466]  netif_close_many (net/core/dev.c:1804)
[   20.102385][  T466]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.102558][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.102739][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.102912][  T466]  ? __dev_close_many (net/core/dev.c:1781)
[   20.103084][  T466]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.103293][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.103499][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.103687][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.103888][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.104061][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.104239][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.104441][  T466]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.104614][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.104801][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.104973][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.105153][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.105326][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.105511][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.105696][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.105866][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.106039][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.106234][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.106405][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.106577][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.106763][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.106935][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.107107][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.107286][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.107456][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.107639][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.107811][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.107983][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.108162][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.108332][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.108502][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.108689][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.108887][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.109060][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.109243][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.109420][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.109596][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.109782][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.109955][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.110130][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.110310][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.110481][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.110697][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   20.110871][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.111043][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.111226][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   20.111398][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.111601][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.111797][  T466]  __sys_sendmsg (net/socket.c:2784)
[   20.111973][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.112155][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.112360][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.112535][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.112723][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.112895][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.113068][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.113249][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.113454][  T466] RIP: 0033:0x7fde9100308e
[   20.113642][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.114134][  T466] RSP: 002b:00007fff5d267710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.114381][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde9100308e
[   20.114615][  T466] RDX: 0000000000000000 RSI: 00007fff5d2677c0 RDI: 0000000000000005
[   20.114860][  T466] RBP: 00007fff5d267720 R08: 0000000000000000 R09: 0000000000000000
[   20.115094][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.115335][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5d267e90
| [   20.116951][  T466] ---[ end trace 0000000000000000 ]---
| [   20.127982][  T466] ------------[ cut here ]------------
| [   20.128126][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/466
| [   20.128594][  T466] Tainted: [W]=WARN
[   20.128697][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.128870][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.129039][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.129500][  T466] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   20.129717][  T466] RAX: 00000000ffffffa6 RBX: ff11000008bfb000 RCX: 1ff4000000236df7
[   20.129904][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bfb0b8
[   20.130085][  T466] RBP: ff11000008be1000 R08: 1fe220000117f618 R09: ff11000004b10b58
[   20.130269][  T466] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.130449][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.130636][  T466] FS:  00007fde90dc9840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   20.130852][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.131011][  T466] CR2: 000055692b6bad5c CR3: 0000000010328001 CR4: 0000000000771ef0
[   20.131206][  T466] PKRU: 55555554
[   20.131301][  T466] Call Trace:
[   20.131394][  T466]  <TASK>
[   20.131459][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.131618][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.131778][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.131924][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.132045][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.132246][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.132368][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.132506][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.132634][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.132765][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.132901][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.133021][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.133142][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.133268][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.133392][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.133511][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.133636][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.133770][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.133891][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.134033][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.134161][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.134287][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.134408][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.134529][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.134660][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.134780][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.134899][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.135019][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.135141][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.135267][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.135412][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.135532][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.135658][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.135781][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.135902][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.136026][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.136153][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.136275][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.136395][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.136546][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   20.136675][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.136796][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.136918][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   20.137036][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.137207][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.137338][  T466]  __sys_sendmsg (net/socket.c:2784)
[   20.137458][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.137588][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.137745][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.137867][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.137993][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.138116][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.138242][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.138365][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.138515][  T466] RIP: 0033:0x7fde9100308e
[   20.138645][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.139074][  T466] RSP: 002b:00007fff5d267710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.139265][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde9100308e
[   20.139444][  T466] RDX: 0000000000000000 RSI: 00007fff5d2677c0 RDI: 0000000000000005
[   20.139649][  T466] RBP: 00007fff5d267720 R08: 0000000000000000 R09: 0000000000000000
[   20.139853][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.140030][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5d267e90
| [   20.141231][  T466] ---[ end trace 0000000000000000 ]---
| [   20.142816][  T466] ------------[ cut here ]------------
| [   20.142936][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/466
| [   20.143389][  T466] Tainted: [W]=WARN
[   20.143485][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.143647][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.143805][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.144265][  T466] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   20.144419][  T466] RAX: 00000000ffffffa6 RBX: ff11000010245700 RCX: 1ff4000000236df7
[   20.144599][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000102457b8
[   20.144785][  T466] RBP: ff1100000856c000 R08: 1fe2200002048af8 R09: ff11000004b10b58
[   20.144964][  T466] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.145178][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.145359][  T466] FS:  00007fde90dc9840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   20.145569][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.145726][  T466] CR2: 000055692b6bad5c CR3: 0000000010328001 CR4: 0000000000771ef0
[   20.145928][  T466] PKRU: 55555554
[   20.146019][  T466] Call Trace:
[   20.146120][  T466]  <TASK>
[   20.146187][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.146339][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.146489][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.146610][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.146736][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.146889][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.147011][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.147141][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.147267][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.147387][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.147525][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.147650][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.147792][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.147917][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.148045][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.148174][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.148299][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.148425][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.148551][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.148678][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.148801][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.148920][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.149040][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.149165][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.149284][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.149404][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.149526][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.149650][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.149774][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.149896][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.150019][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.150141][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.150268][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.150389][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.150510][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.150636][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.150758][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.150896][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.151018][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.151224][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   20.151346][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.151467][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.151588][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   20.151738][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.151890][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.152020][  T466]  __sys_sendmsg (net/socket.c:2784)
[   20.152141][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.152274][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.152446][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.152573][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.152698][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.152820][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.152941][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.153063][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.153218][  T466] RIP: 0033:0x7fde9100308e
[   20.153354][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.153794][  T466] RSP: 002b:00007fff5d267710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.153976][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fde9100308e
[   20.154161][  T466] RDX: 0000000000000000 RSI: 00007fff5d2677c0 RDI: 0000000000000005
[   20.154343][  T466] RBP: 00007fff5d267720 R08: 0000000000000000 R09: 0000000000000000
[   20.154533][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.154718][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5d267e90
| [   20.155973][  T466] ---[ end trace 0000000000000000 ]---
| [   20.204068][  T467] ------------[ cut here ]------------
| [   20.204261][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/467
| [   20.205376][  T467] Tainted: [W]=WARN
[   20.205518][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.205732][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.205941][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.206442][  T467] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   20.206658][  T467] RAX: 00000000ffffffa6 RBX: ff1100000b186e40 RCX: 1ff4000000236dd1
[   20.206887][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b186ef8
[   20.207120][  T467] RBP: ff1100000d73c000 R08: 1fe2200001630de0 R09: ff11000010200b58
[   20.207364][  T467] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   20.207595][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5f1000
[   20.207839][  T467] FS:  00007f5ad84a4840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   20.208104][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.208343][  T467] CR2: 0000000033477988 CR3: 000000000fbe7003 CR4: 0000000000771ef0
[   20.208576][  T467] PKRU: 55555554
[   20.208728][  T467] Call Trace:
[   20.208866][  T467]  <TASK>
[   20.208986][  T467]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.209166][  T467]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.209309][  T467]  netif_close_many (net/core/dev.c:1804)
[   20.209481][  T467]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.209666][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.209838][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.210009][  T467]  ? __dev_close_many (net/core/dev.c:1781)
[   20.210189][  T467]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.210396][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.210598][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.210784][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.210996][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.211176][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.211347][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.211550][  T467]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.211735][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.211914][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.212086][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.212267][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.212439][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.212637][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.212814][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.212986][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.213164][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.213336][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.213506][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.213700][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.213872][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.214044][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.214223][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.214395][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.214571][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.214757][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.214929][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.215102][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.215282][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.215458][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.215675][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.215863][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.216034][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.216218][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.216391][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.216565][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.216750][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.216926][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.217110][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.217293][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.217465][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.217649][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.217857][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   20.218038][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.218219][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.218391][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   20.218562][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.218776][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.218963][  T467]  __sys_sendmsg (net/socket.c:2784)
[   20.219152][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.219325][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.219530][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.219715][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.219888][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.220059][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.220239][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.220411][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.220616][  T467] RIP: 0033:0x7f5ad86de08e
[   20.220807][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.221302][  T467] RSP: 002b:00007fffdc8e99d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.221541][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5ad86de08e
[   20.221787][  T467] RDX: 0000000000000000 RSI: 00007fffdc8e9a80 RDI: 0000000000000005
[   20.222019][  T467] RBP: 00007fffdc8e99e0 R08: 0000000000000000 R09: 0000000000000000
[   20.222260][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.222495][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc8ea150
| [   20.224175][  T467] ---[ end trace 0000000000000000 ]---
| [   20.225678][  T467] ------------[ cut here ]------------
| [   20.225847][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/467
| [   20.226453][  T467] Tainted: [W]=WARN
[   20.226593][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.227431][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.227778][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.228375][  T467] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   20.228593][  T467] RAX: 00000000ffffffa6 RBX: ff110000101ba040 RCX: 1ff4000000236dd1
[   20.228834][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000101ba0f8
[   20.229071][  T467] RBP: ff1100000c5f1000 R08: 1fe2200002037420 R09: ff11000010200b58
[   20.229315][  T467] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   20.229575][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011b70f0
[   20.229822][  T467] FS:  00007f5ad84a4840(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   20.230089][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.230303][  T467] CR2: 0000000033477988 CR3: 000000000fbe7003 CR4: 0000000000771ef0
[   20.230538][  T467] PKRU: 55555554
[   20.230691][  T467] Call Trace:
[   20.230830][  T467]  <TASK>
[   20.230940][  T467]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.231112][  T467]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.231292][  T467]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.231447][  T467]  netif_close_many (net/core/dev.c:1804)
[   20.231619][  T467]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.231803][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.231974][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.232153][  T467]  ? __dev_close_many (net/core/dev.c:1781)
[   20.232325][  T467]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.232531][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.232750][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.232922][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.233136][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.233316][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.233486][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.233703][  T467]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.233880][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.234063][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.234241][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.234413][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.234582][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.234780][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.234949][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.235123][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.235310][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.235488][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.235674][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.235848][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.236019][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.236360][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.236538][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.236726][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.236898][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.237070][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.237253][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.237426][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.237598][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.237783][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.237955][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.238133][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.238337][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.238513][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.238699][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.238870][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.239043][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.239245][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.239418][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.239595][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.239776][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.239946][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.240152][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   20.240324][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.240509][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.240694][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   20.240868][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.241069][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.241256][  T467]  __sys_sendmsg (net/socket.c:2784)
[   20.241427][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.241597][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.241949][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.242155][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.242330][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.242500][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.242685][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.242868][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.243069][  T467] RIP: 0033:0x7f5ad86de08e
[   20.243253][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.243770][  T467] RSP: 002b:00007fffdc8e99d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.244003][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5ad86de08e
[   20.244241][  T467] RDX: 0000000000000000 RSI: 00007fffdc8e9a80 RDI: 0000000000000005
[   20.244474][  T467] RBP: 00007fffdc8e99e0 R08: 0000000000000000 R09: 0000000000000000
[   20.244726][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.244957][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc8ea150
| [   20.246568][  T467] ---[ end trace 0000000000000000 ]---
| [   20.248599][  T467] ------------[ cut here ]------------
| [   20.248774][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/467
| [   20.249261][  T467] Tainted: [W]=WARN
[   20.249356][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.249506][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.249668][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.250124][  T467] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   20.250285][  T467] RAX: 00000000ffffffa6 RBX: ff1100000b316ac0 RCX: 1ff4000000236df7
[   20.250465][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b316b78
[   20.250654][  T467] RBP: ff1100000d73c000 R08: 1fe2200001662d70 R09: ff11000010200b58
[   20.250833][  T467] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.251014][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.251199][  T467] FS:  00007f5ad84a4840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   20.251409][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.251560][  T467] CR2: 000055694d449408 CR3: 000000000fbe7004 CR4: 0000000000771ef0
[   20.251752][  T467] PKRU: 55555554
[   20.251842][  T467] Call Trace:
[   20.251932][  T467]  <TASK>
[   20.252012][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.252174][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.252323][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.252443][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.252563][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.252721][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.252844][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.252965][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.253087][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.253214][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.253352][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.253471][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.253589][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.253728][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.253850][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.253970][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.254090][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.254212][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.254333][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.254453][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.254595][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.254724][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.254843][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.254965][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.255086][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.255213][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.255334][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.255465][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.255613][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.255742][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.255877][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.255998][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.256120][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.256262][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.256383][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.256505][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.256634][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.256755][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.256876][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.257025][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   20.257168][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.257291][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.257413][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   20.257535][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.257689][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.257819][  T467]  __sys_sendmsg (net/socket.c:2784)
[   20.257941][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.258060][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.258220][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.258341][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.258464][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.258584][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.258709][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.258829][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.258979][  T467] RIP: 0033:0x7f5ad86de08e
[   20.259106][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.259544][  T467] RSP: 002b:00007fffdc8e99d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.259731][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5ad86de08e
[   20.259912][  T467] RDX: 0000000000000000 RSI: 00007fffdc8e9a80 RDI: 0000000000000005
[   20.260094][  T467] RBP: 00007fffdc8e99e0 R08: 0000000000000000 R09: 0000000000000000
[   20.260280][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.260459][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc8ea150
| [   20.261681][  T467] ---[ end trace 0000000000000000 ]---
| [   20.263182][  T467] ------------[ cut here ]------------
| [   20.263305][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/467
| [   20.263789][  T467] Tainted: [W]=WARN
[   20.263883][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.264037][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.264263][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.264715][  T467] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   20.264869][  T467] RAX: 00000000ffffffa6 RBX: ff11000005f11a80 RCX: 1ff4000000236df7
[   20.265050][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005f11b38
[   20.265236][  T467] RBP: ff1100000c5f1000 R08: 1fe2200000be2368 R09: ff11000010200b58
[   20.265416][  T467] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.265598][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.265789][  T467] FS:  00007f5ad84a4840(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   20.266003][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.266160][  T467] CR2: 000055694d449408 CR3: 000000000fbe7004 CR4: 0000000000771ef0
[   20.266343][  T467] PKRU: 55555554
[   20.266437][  T467] Call Trace:
[   20.266531][  T467]  <TASK>
[   20.266594][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.266764][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.266913][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.267034][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.267157][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.267315][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.267439][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.267559][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.267687][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.267808][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.267943][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.268070][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.268200][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.268322][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.268445][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.268565][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.268692][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.268814][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.268937][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.269064][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.269193][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.269316][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.269438][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.269562][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.269691][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.269817][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.269941][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.270062][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.270189][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.270312][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.270436][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.270562][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.270694][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.270817][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.270939][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.271061][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.271188][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.271312][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.271438][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.271593][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   20.271722][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.271844][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.271966][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   20.272089][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.272252][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.272384][  T467]  __sys_sendmsg (net/socket.c:2784)
[   20.272506][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.272631][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.272785][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.272908][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.273032][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.273158][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.273281][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.273402][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.273554][  T467] RIP: 0033:0x7f5ad86de08e
[   20.273687][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.274137][  T467] RSP: 002b:00007fffdc8e99d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.274326][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5ad86de08e
[   20.274507][  T467] RDX: 0000000000000000 RSI: 00007fffdc8e9a80 RDI: 0000000000000005
[   20.274694][  T467] RBP: 00007fffdc8e99e0 R08: 0000000000000000 R09: 0000000000000000
[   20.274877][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.275058][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc8ea150
| [   20.276343][  T467] ---[ end trace 0000000000000000 ]---
| [   20.324638][  T468] ------------[ cut here ]------------
| [   20.324800][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/468
| [   20.325283][  T468] Tainted: [W]=WARN
[   20.325381][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.325541][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.325713][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.326175][  T468] RSP: 0018:ffa00000011c7058 EFLAGS: 00010286
[   20.326360][  T468] RAX: 00000000ffffffa6 RBX: ff1100000f8d9c40 RCX: 1ff4000000238dd1
[   20.326557][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d9cf8
[   20.326751][  T468] RBP: ff1100000fbbc000 R08: 1fe2200001f1b3a0 R09: ff11000010205158
[   20.326936][  T468] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   20.327124][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c85c000
[   20.327316][  T468] FS:  00007f79999e4840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.327534][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.327697][  T468] CR2: 000000000ab81988 CR3: 00000000103ab002 CR4: 0000000000771ef0
[   20.327895][  T468] PKRU: 55555554
[   20.327994][  T468] Call Trace:
[   20.328090][  T468]  <TASK>
[   20.328159][  T468]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.328286][  T468]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.328383][  T468]  netif_close_many (net/core/dev.c:1804)
[   20.328508][  T468]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.328638][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.328769][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.328899][  T468]  ? __dev_close_many (net/core/dev.c:1781)
[   20.329027][  T468]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.329189][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.329346][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.329474][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.329716][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.329845][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.329972][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.330128][  T468]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.330262][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.330389][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.330517][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.330734][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.330862][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.331004][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.331129][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.331260][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.331386][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.331513][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.331711][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.331899][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.332025][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.332157][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.332283][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.332407][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.332532][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.332745][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.332879][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.333008][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.333177][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.333305][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.333431][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.333558][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.333768][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.333914][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.334042][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.334205][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.334333][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.334459][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.334590][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.334742][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.334868][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.334993][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.335155][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   20.335284][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.335434][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.335592][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   20.335729][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.335884][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.336018][  T468]  __sys_sendmsg (net/socket.c:2784)
[   20.336144][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.336275][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.336434][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.336562][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.336697][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.336825][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.336954][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.337083][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.337248][  T468] RIP: 0033:0x7f7999c1e08e
[   20.337382][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.337845][  T468] RSP: 002b:00007ffe312f3400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.338061][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7999c1e08e
[   20.338260][  T468] RDX: 0000000000000000 RSI: 00007ffe312f34b0 RDI: 0000000000000005
[   20.338453][  T468] RBP: 00007ffe312f3410 R08: 0000000000000000 R09: 0000000000000000
[   20.338655][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.338841][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe312f3b80
| [   20.340115][  T468] ---[ end trace 0000000000000000 ]---
| [   20.341524][  T468] ------------[ cut here ]------------
| [   20.341671][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/468
| [   20.342160][  T468] Tainted: [W]=WARN
[   20.342257][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.342416][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.342584][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.343068][  T468] RSP: 0018:ffa00000011c7058 EFLAGS: 00010286
[   20.343268][  T468] RAX: 00000000ffffffa6 RBX: ff1100000c4dc200 RCX: 1ff4000000238dd1
[   20.343458][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c4dc2b8
[   20.343654][  T468] RBP: ff1100000c85c000 R08: 1fe220000189b858 R09: ff11000010205158
[   20.343843][  T468] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   20.344031][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011c70f0
[   20.344280][  T468] FS:  00007f79999e4840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.344501][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.344682][  T468] CR2: 000000000ab81988 CR3: 00000000103ab002 CR4: 0000000000771ef0
[   20.344871][  T468] PKRU: 55555554
[   20.344964][  T468] Call Trace:
[   20.345080][  T468]  <TASK>
[   20.345163][  T468]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.345290][  T468]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.345416][  T468]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.345514][  T468]  netif_close_many (net/core/dev.c:1804)
[   20.345643][  T468]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.345770][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.345899][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.346046][  T468]  ? __dev_close_many (net/core/dev.c:1781)
[   20.346176][  T468]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.346362][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.346522][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.346654][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.346810][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.346965][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.347105][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.347275][  T468]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.347402][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.347551][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.347686][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.347814][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.347939][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.348079][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.348210][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.348334][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.348459][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.348588][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.348720][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.348845][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.348970][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.349098][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.349230][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.349356][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.349515][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.349650][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.349778][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.349903][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.350029][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.350159][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.350286][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.350415][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.350540][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.350671][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.350797][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.350923][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.351049][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.351198][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.351329][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.351456][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.351584][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.351722][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.351877][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   20.352004][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.352129][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.352260][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   20.352384][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.352539][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.352678][  T468]  __sys_sendmsg (net/socket.c:2784)
[   20.352805][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.352929][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.353086][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.353220][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.353346][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.353472][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.353597][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.353729][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.353883][  T468] RIP: 0033:0x7f7999c1e08e
[   20.354013][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.354465][  T468] RSP: 002b:00007ffe312f3400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.354658][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7999c1e08e
[   20.354845][  T468] RDX: 0000000000000000 RSI: 00007ffe312f34b0 RDI: 0000000000000005
[   20.355032][  T468] RBP: 00007ffe312f3410 R08: 0000000000000000 R09: 0000000000000000
[   20.355227][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.355412][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe312f3b80
| [   20.356711][  T468] ---[ end trace 0000000000000000 ]---
| [   20.358387][  T468] ------------[ cut here ]------------
| [   20.358538][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/468
| [   20.359353][  T468] Tainted: [W]=WARN
[   20.359445][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.359598][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.359820][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.360400][  T468] RSP: 0018:ffa00000011c7188 EFLAGS: 00010286
[   20.360576][  T468] RAX: 00000000ffffffa6 RBX: ff110000100e6c80 RCX: 1ff4000000238df7
[   20.360825][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000100e6d38
[   20.361005][  T468] RBP: ff1100000fbbc000 R08: 1fe220000201cda8 R09: ff11000010205158
[   20.361188][  T468] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.361390][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.361573][  T468] FS:  00007f79999e4840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.361833][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.361985][  T468] CR2: 000000000ab81988 CR3: 00000000103ab002 CR4: 0000000000771ef0
[   20.362174][  T468] PKRU: 55555554
[   20.362265][  T468] Call Trace:
[   20.362358][  T468]  <TASK>
[   20.362421][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.362573][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.362771][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.362891][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.363012][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.363169][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.363290][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.363427][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.363547][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.363743][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.363879][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.364002][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.364127][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.364253][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.364374][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.364494][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.364613][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.364784][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.364905][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.365049][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.365180][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.365300][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.365421][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.365542][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.365711][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.365831][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.365983][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.366109][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.366239][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.366359][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.366490][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.366613][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.366796][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.366934][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.367067][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.367192][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.367324][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.367444][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.367570][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.367771][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   20.367893][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.368014][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.368136][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   20.368262][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.368413][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.368544][  T468]  __sys_sendmsg (net/socket.c:2784)
[   20.368718][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.368840][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.368993][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.369115][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.369311][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.369433][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.369555][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.369729][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.369879][  T468] RIP: 0033:0x7f7999c1e08e
[   20.370025][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.370464][  T468] RSP: 002b:00007ffe312f3400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.370698][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7999c1e08e
[   20.370877][  T468] RDX: 0000000000000000 RSI: 00007ffe312f34b0 RDI: 0000000000000005
[   20.371098][  T468] RBP: 00007ffe312f3410 R08: 0000000000000000 R09: 0000000000000000
[   20.371345][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.371527][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe312f3b80
| [   20.372939][  T468] ---[ end trace 0000000000000000 ]---
| [   20.375052][  T468] ------------[ cut here ]------------
| [   20.375235][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/468
| [   20.375721][  T468] Tainted: [W]=WARN
[   20.375817][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.375972][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.376128][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.376575][  T468] RSP: 0018:ffa00000011c7188 EFLAGS: 00010286
[   20.376734][  T468] RAX: 00000000ffffffa6 RBX: ff1100001012a200 RCX: 1ff4000000238df7
[   20.376915][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001012a2b8
[   20.377100][  T468] RBP: ff1100000c85c000 R08: 1fe2200002025458 R09: ff11000010205158
[   20.377285][  T468] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.377473][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.377661][  T468] FS:  00007f79999e4840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   20.377873][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.378028][  T468] CR2: 000055692b6bad5c CR3: 00000000103ab005 CR4: 0000000000771ef0
[   20.378214][  T468] PKRU: 55555554
[   20.378304][  T468] Call Trace:
[   20.378422][  T468]  <TASK>
[   20.378490][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.378651][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.378800][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.378920][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.379043][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.379206][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.379357][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.379481][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.379603][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.379726][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.379858][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.379977][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.380096][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.380224][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.380344][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.380466][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.380586][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.380734][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.380883][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.381011][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.381129][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.381266][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.381386][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.381510][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.381635][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.381757][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.381876][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.382009][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.382139][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.382265][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.382390][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.382511][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.382636][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.382757][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.382877][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.382998][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.383128][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.383253][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.383375][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.383525][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   20.383652][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.383772][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.383895][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   20.384014][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.384170][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.384302][  T468]  __sys_sendmsg (net/socket.c:2784)
[   20.384423][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.384544][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.384699][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.384851][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.384974][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.385094][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.385221][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.385342][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.385491][  T468] RIP: 0033:0x7f7999c1e08e
[   20.385653][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.386095][  T468] RSP: 002b:00007ffe312f3400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.386289][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7999c1e08e
[   20.386471][  T468] RDX: 0000000000000000 RSI: 00007ffe312f34b0 RDI: 0000000000000005
[   20.386657][  T468] RBP: 00007ffe312f3410 R08: 0000000000000000 R09: 0000000000000000
[   20.386844][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f0
[   20.387032][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe312f3b80
| [   20.388287][  T468] ---[ end trace 0000000000000000 ]---
| [   20.636893][   T12] ------------[ cut here ]------------
| [   20.637168][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.637722][   T12] Tainted: [W]=WARN
[   20.637836][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.637984][   T12] Workqueue: netns cleanup_net
[   20.638108][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.638312][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.638805][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.638956][   T12] RAX: 00000000ffffffa6 RBX: ff1100000feebc40 RCX: 1ff4000000018eed
[   20.639134][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feebcf8
[   20.639343][   T12] RBP: ff110000087a1000 R08: 1fe2200001fdd7a0 R09: ff11000001b0d1d0
[   20.639518][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.639702][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.639885][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   20.640091][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.640247][   T12] CR2: 00007fa19e9e3574 CR3: 0000000034b49005 CR4: 0000000000771ef0
[   20.640431][   T12] PKRU: 55555554
[   20.640517][   T12] Call Trace:
[   20.640603][   T12]  <TASK>
[   20.640667][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.640816][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.640989][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.641107][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.641286][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.641403][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.641524][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.641649][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.641768][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   20.641907][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.642028][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.642143][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.642280][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.642401][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.642520][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.642689][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.642818][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.642959][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.643078][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.643221][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.643337][   T12]  kthread (kernel/kthread.c:436)
[   20.643427][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.643579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.643731][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.643846][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.643990][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.644119][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.644239][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.645424][   T12] ---[ end trace 0000000000000000 ]---
| [   20.657739][   T12] ------------[ cut here ]------------
| [   20.657959][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.658491][   T12] Tainted: [W]=WARN
[   20.658580][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.658748][   T12] Workqueue: netns cleanup_net
[   20.658874][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.659030][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.659489][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.659651][   T12] RAX: 00000000ffffffa6 RBX: ff1100000feeb000 RCX: 1ff4000000018ed5
[   20.659829][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feeb0b8
[   20.660007][   T12] RBP: ff1100000207c000 R08: 1fe2200001fdd618 R09: ff11000001b0d1d0
[   20.660191][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.660373][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.660551][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   20.660780][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.660931][   T12] CR2: 00007fa19e9e3574 CR3: 0000000034b49005 CR4: 0000000000771ef0
[   20.661116][   T12] PKRU: 55555554
[   20.661279][   T12] Call Trace:
[   20.661372][   T12]  <TASK>
[   20.661436][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.661589][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.661745][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.661867][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.661987][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.662107][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.662239][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.662359][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   20.662478][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.662599][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.662759][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.662876][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.662998][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.663116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.663243][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.663366][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.663488][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.663612][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.663740][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.663873][   T12]  kthread (kernel/kthread.c:436)
[   20.663963][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.664115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.664238][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.664358][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.664506][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.664635][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.664776][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.665950][   T12] ---[ end trace 0000000000000000 ]---
| [   20.705884][   T36] ------------[ cut here ]------------
| [   20.706033][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   20.706566][   T36] Tainted: [W]=WARN
[   20.706689][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.706839][   T36] Workqueue: events_unbound linkwatch_event
[   20.706997][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.707157][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.707586][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   20.707753][   T36] RAX: 00000000ffffffa6 RBX: ff1100000feea580 RCX: 1ff4000000051f02
[   20.707964][   T36] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feea638
[   20.708152][   T36] RBP: ff1100000c531000 R08: 1fe2200001fdd4c8 R09: ff11000001d651a8
[   20.708358][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   20.708540][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.708726][   T36] FS:  0000000000000000(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.708964][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.709114][   T36] CR2: 000055694d43e198 CR3: 0000000034b49002 CR4: 0000000000771ef0
[   20.709335][   T36] PKRU: 55555554
[   20.709428][   T36] Call Trace:
[   20.709517][   T36]  <TASK>
[   20.709579][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.709706][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.709827][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.709938][   T36]  netif_state_change (net/core/dev.c:1605)
[   20.710067][   T36]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   20.710193][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.710343][   T36]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   20.710465][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   20.710586][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.710723][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.710850][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.710969][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   20.711088][   T36]  process_one_work (kernel/workqueue.c:3314)
[   20.711216][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.711334][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.711457][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.711584][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.711715][   T36]  kthread (kernel/kthread.c:436)
[   20.711836][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.711987][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.712106][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.712258][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.712409][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.712529][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.712661][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.713843][   T36] ---[ end trace 0000000000000000 ]---
| [   20.714216][   T36] ------------[ cut here ]------------
| [   20.714336][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   20.714874][   T36] Tainted: [W]=WARN
[   20.714967][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.715133][   T36] Workqueue: events_unbound linkwatch_event
[   20.715291][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.715459][   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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.715887][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   20.716038][   T36] RAX: 00000000ffffffa6 RBX: ff1100000feea040 RCX: 1ff4000000051f02
[   20.716225][   T36] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feea0f8
[   20.716422][   T36] RBP: ff11000008901000 R08: 1fe2200001fdd420 R09: ff11000001d651a8
[   20.716603][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   20.716781][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.716959][   T36] FS:  0000000000000000(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.717176][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.717351][   T36] CR2: 000055694d43e198 CR3: 0000000034b49002 CR4: 0000000000771ef0
[   20.717535][   T36] PKRU: 55555554
[   20.717630][   T36] Call Trace:
[   20.717718][   T36]  <TASK>
[   20.717780][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.717901][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.718021][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.718130][   T36]  netif_state_change (net/core/dev.c:1605)
[   20.718254][   T36]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   20.718424][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.718585][   T36]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   20.718715][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   20.718839][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.718965][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.719093][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.719221][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   20.719344][   T36]  process_one_work (kernel/workqueue.c:3314)
[   20.719474][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.719594][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.719723][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.719847][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.719975][   T36]  kthread (kernel/kthread.c:436)
[   20.720066][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.720217][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.720336][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.720455][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.720622][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.720750][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.720885][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.722064][   T36] ---[ end trace 0000000000000000 ]---
| [   20.772405][   T12] ------------[ cut here ]------------
| [   20.772560][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.773141][   T12] Tainted: [W]=WARN
[   20.773237][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.773387][   T12] Workqueue: netns cleanup_net
[   20.773514][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.773679][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.774105][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.774271][   T12] RAX: 00000000ffffffa6 RBX: ff1100000526b700 RCX: 1ff4000000018eed
[   20.774452][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526b7b8
[   20.774637][   T12] RBP: ff110000078d9000 R08: 1fe2200000a4d6f8 R09: ff11000001b0d1d0
[   20.774816][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.774996][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.775185][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   20.775400][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.775553][   T12] CR2: 00007ffe51973bec CR3: 0000000034b49005 CR4: 0000000000771ef0
[   20.775744][   T12] PKRU: 55555554
[   20.775833][   T12] Call Trace:
[   20.775922][   T12]  <TASK>
[   20.775984][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.776136][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.776292][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.776411][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.776534][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.776661][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.776782][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.776905][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.777026][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   20.777145][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.777273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.777394][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.777515][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.777640][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.777758][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.777879][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.778003][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.778122][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.778249][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.778374][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.778494][   T12]  kthread (kernel/kthread.c:436)
[   20.778584][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.778740][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.778859][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.778980][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.779130][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.779257][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.779377][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.780523][   T12] ---[ end trace 0000000000000000 ]---
| [   20.790395][   T12] ------------[ cut here ]------------
| [   20.790610][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.791162][   T12] Tainted: [W]=WARN
[   20.791254][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.791409][   T12] Workqueue: netns cleanup_net
[   20.791538][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.791729][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.792160][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.792314][   T12] RAX: 00000000ffffffa6 RBX: ff1100000526bc40 RCX: 1ff4000000018ed5
[   20.792502][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000526bcf8
[   20.792689][   T12] RBP: ff11000007cd9000 R08: 1fe2200000a4d7a0 R09: ff11000001b0d1d0
[   20.792872][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.793058][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.793245][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   20.793458][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.793611][   T12] CR2: 00007ffe51973bec CR3: 0000000034b49005 CR4: 0000000000771ef0
[   20.793800][   T12] PKRU: 55555554
[   20.793892][   T12] Call Trace:
[   20.793982][   T12]  <TASK>
[   20.794045][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.794208][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.794361][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.794487][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.794611][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.794741][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.794867][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.794991][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   20.795112][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.795252][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.795375][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.795497][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.795621][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.795824][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.795962][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.796088][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.796217][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.796347][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.796471][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.796593][   T12]  kthread (kernel/kthread.c:436)
[   20.796692][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.796844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.796966][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.797090][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.797251][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.797374][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.797496][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.798695][   T12] ---[ end trace 0000000000000000 ]---
| [   20.882758][   T12] ------------[ cut here ]------------
| [   20.882920][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.883454][   T12] Tainted: [W]=WARN
[   20.883553][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.883718][   T12] Workqueue: netns cleanup_net
[   20.883848][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.884007][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.884457][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.884613][   T12] RAX: 00000000ffffffa6 RBX: ff11000009288c80 RCX: 1ff4000000018eed
[   20.884884][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009288d38
[   20.885083][   T12] RBP: ff1100000f9a1000 R08: 1fe22000012511a8 R09: ff11000001b0d1d0
[   20.885274][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.885465][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.885666][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   20.885886][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.886044][   T12] CR2: 00007ffe51973bec CR3: 0000000034b49005 CR4: 0000000000771ef0
[   20.886234][   T12] PKRU: 55555554
[   20.886324][   T12] Call Trace:
[   20.886415][   T12]  <TASK>
[   20.886482][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.886701][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.886858][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.886987][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.887116][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.887242][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.887367][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.887488][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.887612][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   20.887783][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.887908][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.888033][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.888158][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.888279][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.888397][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.888527][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.888700][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.888866][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.888989][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.889113][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.889242][   T12]  kthread (kernel/kthread.c:436)
[   20.889333][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.889486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.889608][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.889744][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.889893][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.890016][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.890136][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.891317][   T12] ---[ end trace 0000000000000000 ]---
| [   20.903858][   T12] ------------[ cut here ]------------
| [   20.904069][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.904741][   T12] Tainted: [W]=WARN
[   20.904914][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.905119][   T12] Workqueue: netns cleanup_net
[   20.905304][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.905525][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.906023][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.906227][   T12] RAX: 00000000ffffffa6 RBX: ff11000009289700 RCX: 1ff4000000018ed5
[   20.906457][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092897b8
[   20.906702][   T12] RBP: ff1100000f97c000 R08: 1fe22000012512f8 R09: ff11000001b0d1d0
[   20.906924][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.907172][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.907405][   T12] FS:  0000000000000000(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   20.907674][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.907869][   T12] CR2: 00007fd40269a2a0 CR3: 0000000034b49003 CR4: 0000000000771ef0
[   20.908096][   T12] PKRU: 55555554
[   20.908239][   T12] Call Trace:
[   20.908379][   T12]  <TASK>
[   20.908497][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.908715][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.908921][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.909092][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.909305][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.909476][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.909657][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.909827][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   20.910025][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.910212][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.910381][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.910547][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.910746][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.910912][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.911082][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.911258][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.911427][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.911597][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.911779][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.911945][   T12]  kthread (kernel/kthread.c:436)
[   20.912085][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.912316][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.912485][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.912665][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.912860][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.913026][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.913197][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.914749][   T12] ---[ end trace 0000000000000000 ]---
| [   20.916169][  T485] ------------[ cut here ]------------
| [   20.916334][  T485] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/485
| [   20.917210][  T485] Tainted: [W]=WARN
[   20.917316][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.917503][  T485] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.917677][  T485] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.918137][  T485] RSP: 0018:ffa0000001297020 EFLAGS: 00010286
[   20.918306][  T485] RAX: 00000000ffffffa6 RBX: ff11000009288040 RCX: 1ff4000000252dca
[   20.918544][  T485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092880f8
[   20.918752][  T485] RBP: ff1100000c531000 R08: 1fe2200001251020 R09: ff11000005020b58
[   20.918946][  T485] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   20.919138][  T485] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c531ce1
[   20.919356][  T485] FS:  00007f96e4ef4840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   20.919583][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.919752][  T485] CR2: 0000000033726988 CR3: 00000000109cd004 CR4: 0000000000771ef0
[   20.919949][  T485] PKRU: 55555554
[   20.920064][  T485] Call Trace:
[   20.920192][  T485]  <TASK>
[   20.920267][  T485]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.920402][  T485]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.920501][  T485]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.920638][  T485]  __dev_notify_flags (net/core/dev.c:9787)
[   20.920770][  T485]  ? netif_change_name (net/core/dev.c:1495)
[   20.920902][  T485]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   20.921032][  T485]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   20.921166][  T485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.921323][  T485]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.921456][  T485]  netif_change_flags (net/core/dev.c:9820)
[   20.921591][  T485]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.921730][  T485]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.921862][  T485]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.922023][  T485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.922156][  T485]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.922288][  T485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.922416][  T485]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.922548][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.922685][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.922814][  T485]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.922945][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.923075][  T485]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.923252][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.923381][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.923511][  T485]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.923649][  T485]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.923782][  T485]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.923911][  T485]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.924043][  T485]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.924181][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.924313][  T485]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.924446][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.924577][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.924715][  T485]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.924847][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.924976][  T485]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.925106][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.925240][  T485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.925372][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.925501][  T485]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.925636][  T485]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.925767][  T485]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.925897][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.926027][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.926161][  T485]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.926292][  T485]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.926423][  T485]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.926552][  T485]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.926689][  T485]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.926819][  T485]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.926952][  T485]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.927114][  T485]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.927249][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.927379][  T485]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.927508][  T485]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.927651][  T485]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.927784][  T485]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.927916][  T485]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.928046][  T485]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.928209][  T485]  ? move_addr_to_kernel (net/socket.c:258)
[   20.928352][  T485]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.928509][  T485]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.928655][  T485]  ___sys_sendmsg (net/socket.c:2752)
[   20.928788][  T485]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.928948][  T485]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.929110][  T485]  __sys_sendmsg (net/socket.c:2784)
[   20.929246][  T485]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.929375][  T485]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.929537][  T485]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.929673][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.929832][  T485]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.929963][  T485]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.930094][  T485]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.930229][  T485]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.930390][  T485] RIP: 0033:0x7f96e512e08e
[   20.930526][  T485] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.931017][  T485] RSP: 002b:00007ffcfccaec60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.931220][  T485] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96e512e08e
[   20.931417][  T485] RDX: 0000000000000000 RSI: 00007ffcfccaed10 RDI: 0000000000000005
[   20.931613][  T485] RBP: 00007ffcfccaec70 R08: 0000000000000000 R09: 0000000000000000
[   20.931825][  T485] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f1
[   20.932018][  T485] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfccaf3e0
| [   20.933331][  T485] ---[ end trace 0000000000000000 ]---
| [   20.982443][  T486] ------------[ cut here ]------------
| [   20.982743][  T486] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/486
| [   20.983498][  T486] Tainted: [W]=WARN
[   20.983714][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.984003][  T486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.984285][  T486] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.984839][  T486] RSP: 0018:ffa00000012a7188 EFLAGS: 00010286
[   20.985140][  T486] RAX: 00000000ffffffa6 RBX: ff1100000f8d8c80 RCX: 1ff4000000254df7
[   20.985389][  T486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8d8d38
[   20.985622][  T486] RBP: ff1100000c531000 R08: 1fe2200001f1b1a8 R09: ff11000010202e58
[   20.985869][  T486] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.986108][  T486] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.986357][  T486] FS:  00007fbc9884aec0(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   20.986659][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.986865][  T486] CR2: 00007fbc98bab004 CR3: 00000000102d6005 CR4: 0000000000771ef0
[   20.987101][  T486] PKRU: 55555554
[   20.987250][  T486] Call Trace:
[   20.987390][  T486]  <TASK>
[   20.987501][  T486]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.987721][  T486]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.987919][  T486]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.988090][  T486]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.988268][  T486]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.988470][  T486]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.988654][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.988823][  T486]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.988996][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.989171][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.989374][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.989547][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.989733][  T486]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.989907][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.990082][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.990258][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.990435][  T486]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.990607][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.990795][  T486]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.990969][  T486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.991144][  T486]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.991323][  T486]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.991496][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.991684][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.991858][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.992032][  T486]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.992211][  T486]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   20.992385][  T486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.992575][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.992758][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.992929][  T486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.993104][  T486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.993281][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.993452][  T486]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.993637][  T486]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.993821][  T486]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.993997][  T486]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.994176][  T486]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.994348][  T486]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.994553][  T486]  ? move_addr_to_kernel (net/socket.c:258)
[   20.994736][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.994913][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.995119][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.995297][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.995502][  T486]  ___sys_sendmsg (net/socket.c:2752)
[   20.995693][  T486]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.995866][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.996047][  T486]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   20.996226][  T486]  ? do_getsockname (net/socket.c:2192)
[   20.996402][  T486]  __sys_sendmsg (net/socket.c:2784)
[   20.996577][  T486]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.996765][  T486]  ? __sys_getsockname (net/socket.c:2210)
[   20.996941][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.997118][  T486]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.997299][  T486]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.997473][  T486]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.997659][  T486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.997862][  T486] RIP: 0033:0x7fbc988ff08e
[   20.998042][  T486] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.998537][  T486] RSP: 002b:00007ffe710146b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.998788][  T486] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc988ff08e
[   20.999021][  T486] RDX: 0000000000000000 RSI: 00007ffe71014730 RDI: 0000000000000005
[   20.999257][  T486] RBP: 00007ffe710146c0 R08: 0000000000000000 R09: 0000000000000000
[   20.999492][  T486] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe71018e38
[   20.999735][  T486] R13: 0000000000000003 R14: 00007fbc98beb000 R15: 000000000040bda8
| [   21.001345][  T486] ---[ end trace 0000000000000000 ]---
| [   21.053001][   T12] ------------[ cut here ]------------
| [   21.053157][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.053686][   T12] Tainted: [W]=WARN
[   21.053778][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.053930][   T12] Workqueue: netns cleanup_net
[   21.054062][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.054222][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.054700][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.054853][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d58ce40 RCX: 1ff4000000018eed
[   21.055035][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58cef8
[   21.055227][   T12] RBP: ff1100000f884000 R08: 1fe2200001ab19e0 R09: ff11000001b0d1d0
[   21.055406][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.055587][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.055778][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   21.055990][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.056144][   T12] CR2: 00007f72555b9000 CR3: 0000000034b49005 CR4: 0000000000771ef0
[   21.056331][   T12] PKRU: 55555554
[   21.056425][   T12] Call Trace:
[   21.056522][   T12]  <TASK>
[   21.056586][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.056750][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.056900][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.057025][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.057156][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.057278][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.057406][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.057539][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.057669][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.057792][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.057920][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.058041][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.058165][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.058287][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.058407][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.058539][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.058669][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.058790][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.058919][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.059044][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.059171][   T12]  kthread (kernel/kthread.c:436)
[   21.059263][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.059414][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.059535][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.059665][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.059818][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.059940][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.060065][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.061222][   T12] ---[ end trace 0000000000000000 ]---
| [   21.077507][   T12] ------------[ cut here ]------------
| [   21.077718][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.078270][   T12] Tainted: [W]=WARN
[   21.078366][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.078520][   T12] Workqueue: netns cleanup_net
[   21.078720][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.078887][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.079398][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.079556][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d58d8c0 RCX: 1ff4000000018ed5
[   21.079794][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58d978
[   21.079979][   T12] RBP: ff1100000f859000 R08: 1fe2200001ab1b30 R09: ff11000001b0d1d0
[   21.080171][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.080361][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.080545][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   21.080813][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.080975][   T12] CR2: 00007f72555b9000 CR3: 0000000034b49005 CR4: 0000000000771ef0
[   21.081165][   T12] PKRU: 55555554
[   21.081257][   T12] Call Trace:
[   21.081350][   T12]  <TASK>
[   21.081415][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.081573][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.081775][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.081901][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.082028][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.082155][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.082280][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.082404][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.082526][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.082701][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.082824][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.082945][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.083073][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.083202][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.083329][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.083454][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.083578][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.083759][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.083886][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.084012][   T12]  kthread (kernel/kthread.c:436)
[   21.084106][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.084264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.084387][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.084514][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.084712][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.084838][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.084964][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.086206][   T12] ---[ end trace 0000000000000000 ]---
| [   21.097617][  T488] ------------[ cut here ]------------
| [   21.097849][  T488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/488
| [   21.098370][  T488] Tainted: [W]=WARN
[   21.098473][  T488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.098696][  T488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.098871][  T488] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.099348][  T488] RSP: 0018:ffa00000012c7020 EFLAGS: 00010286
[   21.099519][  T488] RAX: 00000000ffffffa6 RBX: ff1100000d58da80 RCX: 1ff4000000258dca
[   21.099777][  T488] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d58db38
[   21.099974][  T488] RBP: ff1100000ccac000 R08: 1fe2200001ab1b68 R09: ff1100000ff00b58
[   21.100178][  T488] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   21.100377][  T488] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ccacce1
[   21.100577][  T488] FS:  00007fd93414e840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   21.100870][  T488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.101037][  T488] CR2: 000000000d630988 CR3: 000000000cacf003 CR4: 0000000000771ef0
[   21.101242][  T488] PKRU: 55555554
[   21.101343][  T488] Call Trace:
[   21.101443][  T488]  <TASK>
[   21.101512][  T488]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.101704][  T488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.101805][  T488]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.101938][  T488]  __dev_notify_flags (net/core/dev.c:9787)
[   21.102073][  T488]  ? netif_change_name (net/core/dev.c:1495)
[   21.102212][  T488]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   21.102348][  T488]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.102481][  T488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.102614][  T488]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   21.102817][  T488]  netif_change_flags (net/core/dev.c:9820)
[   21.102952][  T488]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.103086][  T488]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.103224][  T488]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.103392][  T488]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.103526][  T488]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.103739][  T488]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.103871][  T488]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.104007][  T488]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.104140][  T488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.104279][  T488]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.104412][  T488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.104545][  T488]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.104753][  T488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.104885][  T488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.105019][  T488]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.105159][  T488]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   21.105295][  T488]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.105429][  T488]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.105564][  T488]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.105788][  T488]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.105924][  T488]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.106062][  T488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.106197][  T488]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.106329][  T488]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.106463][  T488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.106595][  T488]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.106796][  T488]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.106931][  T488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.107064][  T488]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.107199][  T488]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.107333][  T488]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.107467][  T488]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.107599][  T488]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.107789][  T488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.107921][  T488]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.108056][  T488]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.108194][  T488]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.108326][  T488]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.108462][  T488]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.108594][  T488]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.108773][  T488]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.108907][  T488]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.109041][  T488]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.109181][  T488]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.109314][  T488]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.109448][  T488]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.109583][  T488]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.109723][  T488]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.109858][  T488]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.110024][  T488]  ? move_addr_to_kernel (net/socket.c:258)
[   21.110164][  T488]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.110298][  T488]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.110432][  T488]  ___sys_sendmsg (net/socket.c:2752)
[   21.110567][  T488]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.110738][  T488]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.110882][  T488]  __sys_sendmsg (net/socket.c:2784)
[   21.111016][  T488]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.111154][  T488]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.111323][  T488]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.111455][  T488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.111589][  T488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.111730][  T488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.111865][  T488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.111998][  T488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.112169][  T488] RIP: 0033:0x7fd93438808e
[   21.112308][  T488] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.112786][  T488] RSP: 002b:00007fff39cc9d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.112989][  T488] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd93438808e
[   21.113194][  T488] RDX: 0000000000000000 RSI: 00007fff39cc9df0 RDI: 0000000000000005
[   21.113395][  T488] RBP: 00007fff39cc9d50 R08: 0000000000000000 R09: 0000000000000000
[   21.113595][  T488] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f1
[   21.113802][  T488] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff39cca4c0
| [   21.115137][  T488] ---[ end trace 0000000000000000 ]---
| [   21.161000][  T489] ------------[ cut here ]------------
| [   21.161194][  T489] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/489
| [   21.161811][  T489] Tainted: [W]=WARN
[   21.161951][  T489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.162159][  T489] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.162369][  T489] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.162869][  T489] RSP: 0018:ffa00000012d7188 EFLAGS: 00010286
[   21.163075][  T489] RAX: 00000000ffffffa6 RBX: ff11000005f11700 RCX: 1ff400000025adf7
[   21.163313][  T489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005f117b8
[   21.163548][  T489] RBP: ff1100000ccac000 R08: 1fe2200000be22f8 R09: ff1100000ff05158
[   21.163793][  T489] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.164025][  T489] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.164265][  T489] FS:  00007f7f4156eec0(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   21.164531][  T489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.164747][  T489] CR2: 00007ffff24e1ff0 CR3: 000000000c5bd004 CR4: 0000000000771ef0
[   21.164980][  T489] PKRU: 55555554
[   21.165120][  T489] Call Trace:
[   21.165262][  T489]  <TASK>
[   21.165372][  T489]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.165577][  T489]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.165793][  T489]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.165966][  T489]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.166135][  T489]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.166359][  T489]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.166533][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.166716][  T489]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.166887][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.167056][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.167253][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.167425][  T489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.167599][  T489]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.167782][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.167955][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.168126][  T489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.168304][  T489]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.168477][  T489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.168660][  T489]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.168831][  T489]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.169002][  T489]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.169179][  T489]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.169349][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.169522][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.169706][  T489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.169883][  T489]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.170055][  T489]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.170234][  T489]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.170411][  T489]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.170582][  T489]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.170769][  T489]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.170943][  T489]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.171118][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.171292][  T489]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.171465][  T489]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.171651][  T489]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.171824][  T489]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.171995][  T489]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.172173][  T489]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.172373][  T489]  ? move_addr_to_kernel (net/socket.c:258)
[   21.172546][  T489]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.172731][  T489]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.172932][  T489]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.173102][  T489]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.173311][  T489]  ___sys_sendmsg (net/socket.c:2752)
[   21.173485][  T489]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.173670][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.173850][  T489]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   21.174019][  T489]  ? do_getsockname (net/socket.c:2192)
[   21.174198][  T489]  __sys_sendmsg (net/socket.c:2784)
[   21.174369][  T489]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.174542][  T489]  ? __sys_getsockname (net/socket.c:2210)
[   21.174725][  T489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.174897][  T489]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.175068][  T489]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.175250][  T489]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.175424][  T489]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.175638][  T489] RIP: 0033:0x7f7f4162308e
[   21.175815][  T489] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.176308][  T489] RSP: 002b:00007ffff24e2c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.176543][  T489] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7f4162308e
[   21.176788][  T489] RDX: 0000000000000000 RSI: 00007ffff24e2d00 RDI: 0000000000000005
[   21.177020][  T489] RBP: 00007ffff24e2c90 R08: 0000000000000000 R09: 0000000000000000
[   21.177259][  T489] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffff24e7408
[   21.177489][  T489] R13: 0000000000000003 R14: 00007f7f4190f000 R15: 000000000040bda8
| [   21.179086][  T489] ---[ end trace 0000000000000000 ]---
| [   21.216173][   T12] ------------[ cut here ]------------
| [   21.216333][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.216851][   T12] Tainted: [W]=WARN
[   21.216940][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.217087][   T12] Workqueue: netns cleanup_net
[   21.217223][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.217379][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.217845][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.217994][   T12] RAX: 00000000ffffffa6 RBX: ff110000100e6200 RCX: 1ff4000000018eed
[   21.218220][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000100e62b8
[   21.218412][   T12] RBP: ff11000004b81000 R08: 1fe220000201cc58 R09: ff11000001b0d1d0
[   21.218585][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.218801][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.218981][   T12] FS:  0000000000000000(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   21.219209][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.219361][   T12] CR2: 00007f72555b9000 CR3: 0000000034b49005 CR4: 0000000000771ef0
[   21.219537][   T12] PKRU: 55555554
[   21.219630][   T12] Call Trace:
[   21.219716][   T12]  <TASK>
[   21.219778][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.219929][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.220074][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.220198][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.220317][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.220436][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.220568][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.220699][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.220821][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.220939][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.221056][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.221178][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.221299][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.221417][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.221534][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.221659][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.221777][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.221892][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.222022][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.222177][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.222298][   T12]  kthread (kernel/kthread.c:436)
[   21.222387][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.222535][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.222710][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.222907][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.223056][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.223182][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.223302][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.224499][   T12] ---[ end trace 0000000000000000 ]---
| [   21.236435][   T12] ------------[ cut here ]------------
| [   21.236639][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.237250][   T12] Tainted: [W]=WARN
[   21.237387][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.237587][   T12] Workqueue: netns cleanup_net
[   21.237773][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.237975][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.238470][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.238715][   T12] RAX: 00000000ffffffa6 RBX: ff110000100e7e00 RCX: 1ff4000000018ed5
[   21.238990][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000100e7eb8
[   21.239229][   T12] RBP: ff1100000c5e4000 R08: 1fe220000201cfd8 R09: ff11000001b0d1d0
[   21.239453][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.239694][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.239920][   T12] FS:  0000000000000000(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   21.240188][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.240397][   T12] CR2: 00007f7f416742a0 CR3: 0000000034b49005 CR4: 0000000000771ef0
[   21.240638][   T12] PKRU: 55555554
[   21.240775][   T12] Call Trace:
[   21.240913][   T12]  <TASK>
[   21.241020][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.241233][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.241433][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.241620][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.241804][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.241974][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.242141][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.242341][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.242516][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.242703][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.242870][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.243036][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.243217][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.243386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.243573][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.243756][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.243922][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.244090][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.244339][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.244509][   T12]  kthread (kernel/kthread.c:436)
[   21.244658][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.244852][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.245019][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.245197][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.245390][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.245555][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.245762][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.247258][   T12] ---[ end trace 0000000000000000 ]---
| [   21.248654][  T491] ------------[ cut here ]------------
| [   21.248818][  T491] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/491
| [   21.249341][  T491] Tainted: [W]=WARN
[   21.249437][  T491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.249597][  T491] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.250247][  T491] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.250713][  T491] RSP: 0018:ffa00000012f7020 EFLAGS: 00010286
[   21.250876][  T491] RAX: 00000000ffffffa6 RBX: ff110000100e6ac0 RCX: 1ff400000025edca
[   21.251070][  T491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000100e6b78
[   21.251266][  T491] RBP: ff11000008901000 R08: 1fe220000201cd70 R09: ff1100000cc9ae58
[   21.251457][  T491] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   21.251657][  T491] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008901ce1
[   21.251849][  T491] FS:  00007f752b7f8840(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   21.252075][  T491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.252300][  T491] CR2: 0000000035b29988 CR3: 000000000ca53002 CR4: 0000000000771ef0
[   21.252518][  T491] PKRU: 55555554
[   21.252618][  T491] Call Trace:
[   21.252726][  T491]  <TASK>
[   21.252794][  T491]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.252932][  T491]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.253035][  T491]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.253172][  T491]  __dev_notify_flags (net/core/dev.c:9787)
[   21.253306][  T491]  ? netif_change_name (net/core/dev.c:1495)
[   21.253441][  T491]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   21.253574][  T491]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.253711][  T491]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.253864][  T491]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   21.254019][  T491]  netif_change_flags (net/core/dev.c:9820)
[   21.254156][  T491]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.254288][  T491]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.254427][  T491]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.254588][  T491]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.254727][  T491]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.254858][  T491]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.254992][  T491]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.255129][  T491]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.255270][  T491]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.255404][  T491]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.255533][  T491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.255688][  T491]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.255838][  T491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.255981][  T491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.256116][  T491]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.256252][  T491]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   21.256381][  T491]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.256520][  T491]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.256658][  T491]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.256794][  T491]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.256946][  T491]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.257077][  T491]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.257211][  T491]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.257340][  T491]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.257473][  T491]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.257622][  T491]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.257760][  T491]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.257891][  T491]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.258046][  T491]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.258183][  T491]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.258312][  T491]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.258440][  T491]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.258568][  T491]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.258722][  T491]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.258860][  T491]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.258992][  T491]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.259122][  T491]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.259256][  T491]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.259387][  T491]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.259535][  T491]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.259672][  T491]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.259810][  T491]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.259939][  T491]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.260072][  T491]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.260208][  T491]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.260338][  T491]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.260479][  T491]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.260608][  T491]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.260750][  T491]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.260909][  T491]  ? move_addr_to_kernel (net/socket.c:258)
[   21.261063][  T491]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.261205][  T491]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.261335][  T491]  ___sys_sendmsg (net/socket.c:2752)
[   21.261492][  T491]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.261671][  T491]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.261811][  T491]  __sys_sendmsg (net/socket.c:2784)
[   21.261942][  T491]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.262076][  T491]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.262262][  T491]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.262408][  T491]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.262582][  T491]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.262726][  T491]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.262864][  T491]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.262999][  T491]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.263272][  T491] RIP: 0033:0x7f752ba3208e
[   21.263413][  T491] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.263873][  T491] RSP: 002b:00007ffe7e6ab730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.264068][  T491] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f752ba3208e
[   21.264305][  T491] RDX: 0000000000000000 RSI: 00007ffe7e6ab7e0 RDI: 0000000000000005
[   21.264497][  T491] RBP: 00007ffe7e6ab740 R08: 0000000000000000 R09: 0000000000000000
[   21.264695][  T491] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f1
[   21.264886][  T491] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7e6abeb0
| [   21.266357][  T491] ---[ end trace 0000000000000000 ]---
| [   21.313480][  T492] ------------[ cut here ]------------
| [   21.313664][  T492] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ovpn-cli/492
| [   21.314169][  T492] Tainted: [W]=WARN
[   21.314267][  T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.314425][  T492] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.314611][  T492] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.315063][  T492] RSP: 0018:ffa0000001307188 EFLAGS: 00010286
[   21.315224][  T492] RAX: 00000000ffffffa6 RBX: ff1100001012aac0 RCX: 1ff4000000260df7
[   21.315407][  T492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001012ab78
[   21.315591][  T492] RBP: ff11000008901000 R08: 1fe2200002025570 R09: ff1100000cc9d158
[   21.315851][  T492] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.316040][  T492] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.316234][  T492] FS:  00007f0ed8348ec0(0000) GS:ff110000a4b30000(0000) knlGS:0000000000000000
[   21.316453][  T492] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.316605][  T492] CR2: 00007f0ed86a9004 CR3: 000000000cfbc002 CR4: 0000000000771ef0
[   21.316852][  T492] PKRU: 55555554
[   21.316942][  T492] Call Trace:
[   21.317034][  T492]  <TASK>
[   21.317097][  T492]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.317317][  T492]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.317468][  T492]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.317619][  T492]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.317825][  T492]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.317987][  T492]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.318109][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.318238][  T492]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.318364][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.318486][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.318688][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.318814][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.318939][  T492]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.319061][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.319192][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.319334][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.319457][  T492]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.319581][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.319784][  T492]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.319909][  T492]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.320033][  T492]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.320160][  T492]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.320282][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.320406][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.320527][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.320701][  T492]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.320828][  T492]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.320949][  T492]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.321072][  T492]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.321197][  T492]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.321317][  T492]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.321439][  T492]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.321559][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.321758][  T492]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.321883][  T492]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.322006][  T492]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.322131][  T492]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.322327][  T492]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.322450][  T492]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.322603][  T492]  ? move_addr_to_kernel (net/socket.c:258)
[   21.322734][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.322858][  T492]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.323013][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.323134][  T492]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.323293][  T492]  ___sys_sendmsg (net/socket.c:2752)
[   21.323417][  T492]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.323539][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.323673][  T492]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   21.323795][  T492]  ? do_getsockname (net/socket.c:2192)
[   21.323925][  T492]  __sys_sendmsg (net/socket.c:2784)
[   21.324049][  T492]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.324180][  T492]  ? __sys_getsockname (net/socket.c:2210)
[   21.324300][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.324421][  T492]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.324542][  T492]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.324675][  T492]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.324795][  T492]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.324947][  T492] RIP: 0033:0x7f0ed83fd08e
[   21.325077][  T492] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.325517][  T492] RSP: 002b:00007fff34c24120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.325714][  T492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ed83fd08e
[   21.325904][  T492] RDX: 0000000000000000 RSI: 00007fff34c241a0 RDI: 0000000000000005
[   21.326092][  T492] RBP: 00007fff34c24130 R08: 0000000000000000 R09: 0000000000000000
[   21.326276][  T492] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff34c288a8
[   21.326458][  T492] R13: 0000000000000003 R14: 00007f0ed86e9000 R15: 000000000040bda8
| [   21.327708][  T492] ---[ end trace 0000000000000000 ]---
| [   21.365688][   T12] ------------[ cut here ]------------
| [   21.365834][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.366336][   T12] Tainted: [W]=WARN
[   21.366423][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.366575][   T12] Workqueue: netns cleanup_net
[   21.366712][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.366863][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.367285][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.367432][   T12] RAX: 00000000ffffffa6 RBX: ff11000005f10c80 RCX: 1ff4000000018eed
[   21.367642][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005f10d38
[   21.367820][   T12] RBP: ff1100000a591000 R08: 1fe2200000be21a8 R09: ff11000001b0d1d0
[   21.367994][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.368176][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.368352][   T12] FS:  0000000000000000(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   21.368555][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.368709][   T12] CR2: 00007f752b8c5574 CR3: 0000000034b49006 CR4: 0000000000771ef0
[   21.368884][   T12] PKRU: 55555554
[   21.368987][   T12] Call Trace:
[   21.369074][   T12]  <TASK>
[   21.369134][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.369292][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.369436][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.369553][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.369679][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.369797][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.369916][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.370034][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.370155][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.370276][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.370398][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.370515][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.370638][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.370783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.370904][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.371027][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.371151][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.371270][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.371391][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.371512][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.371637][   T12]  kthread (kernel/kthread.c:436)
[   21.371727][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.371873][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.371991][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.372124][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.372297][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.372415][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.372533][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.373693][   T12] ---[ end trace 0000000000000000 ]---
| [   21.382592][   T12] ------------[ cut here ]------------
| [   21.382767][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.383307][   T12] Tainted: [W]=WARN
[   21.383399][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.383548][   T12] Workqueue: netns cleanup_net
[   21.383691][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.383850][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.384283][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.384431][   T12] RAX: 00000000ffffffa6 RBX: ff11000005f11380 RCX: 1ff4000000018ed5
[   21.384613][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005f11438
[   21.384799][   T12] RBP: ff1100000a60c000 R08: 1fe2200000be2288 R09: ff11000001b0d1d0
[   21.384979][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.385165][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.385351][   T12] FS:  0000000000000000(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   21.385563][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.385720][   T12] CR2: 00007f752b8c5574 CR3: 0000000034b49006 CR4: 0000000000771ef0
[   21.385900][   T12] PKRU: 55555554
[   21.385991][   T12] Call Trace:
[   21.386082][   T12]  <TASK>
[   21.386145][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.386311][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.386470][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.386593][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.386719][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.386841][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.386965][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.387096][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.387222][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.387364][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.387488][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.387609][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.387737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.387858][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.387981][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.388108][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.388237][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.388361][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.388485][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.388604][   T12]  kthread (kernel/kthread.c:436)
[   21.388752][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.388904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.389030][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.389158][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.389310][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.389451][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.389573][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.390921][   T12] ---[ end trace 0000000000000000 ]---
| [   21.411218][  T494] ------------[ cut here ]------------
| [   21.411381][  T494] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/494
| [   21.411874][  T494] Tainted: [W]=WARN
[   21.411971][  T494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.412133][  T494] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.412307][  T494] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.412768][  T494] RSP: 0018:ffa0000001327020 EFLAGS: 00010286
[   21.412930][  T494] RAX: 00000000ffffffa6 RBX: ff11000010286c80 RCX: 1ff4000000264dca
[   21.413121][  T494] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010286d38
[   21.413319][  T494] RBP: ff110000083f1000 R08: 1fe2200002050da8 R09: ff11000004b10b58
[   21.413509][  T494] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   21.413706][  T494] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000083f1ce1
[   21.413930][  T494] FS:  00007f8c889dc840(0000) GS:ff110000a4c30000(0000) knlGS:0000000000000000
[   21.414166][  T494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.414329][  T494] CR2: 0000000011c90988 CR3: 000000000c58f001 CR4: 0000000000771ef0
[   21.414522][  T494] PKRU: 55555554
[   21.414631][  T494] Call Trace:
[   21.414728][  T494]  <TASK>
[   21.414812][  T494]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.414954][  T494]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.415054][  T494]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.415189][  T494]  __dev_notify_flags (net/core/dev.c:9787)
[   21.415319][  T494]  ? netif_change_name (net/core/dev.c:1495)
[   21.415448][  T494]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   21.415589][  T494]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.415725][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.415856][  T494]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   21.416005][  T494]  netif_change_flags (net/core/dev.c:9820)
[   21.416136][  T494]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.416276][  T494]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.416409][  T494]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.416575][  T494]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.416708][  T494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.416838][  T494]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.416967][  T494]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.417098][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.417235][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.417371][  T494]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.417508][  T494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.417643][  T494]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.417771][  T494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.417906][  T494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.418038][  T494]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.418172][  T494]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   21.418306][  T494]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.418443][  T494]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.418574][  T494]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.418711][  T494]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.418844][  T494]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.418976][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.419104][  T494]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.419240][  T494]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.419376][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.419510][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.419648][  T494]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.419782][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.419936][  T494]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.420066][  T494]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.420202][  T494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.420340][  T494]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.420469][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.420599][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.420731][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.420861][  T494]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.420993][  T494]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.421125][  T494]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.421267][  T494]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.421400][  T494]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.421536][  T494]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.421671][  T494]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.421804][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.421937][  T494]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.422071][  T494]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.422211][  T494]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.422348][  T494]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.422478][  T494]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.422607][  T494]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.422771][  T494]  ? move_addr_to_kernel (net/socket.c:258)
[   21.422904][  T494]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.423039][  T494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.423179][  T494]  ___sys_sendmsg (net/socket.c:2752)
[   21.423308][  T494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.423466][  T494]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.423606][  T494]  __sys_sendmsg (net/socket.c:2784)
[   21.423740][  T494]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.423868][  T494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.424030][  T494]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.424180][  T494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.424312][  T494]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.424442][  T494]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.424574][  T494]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.424715][  T494]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.424875][  T494] RIP: 0033:0x7f8c88c1608e
[   21.425011][  T494] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.425505][  T494] RSP: 002b:00007ffc7ce26550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.425704][  T494] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8c88c1608e
[   21.425902][  T494] RDX: 0000000000000000 RSI: 00007ffc7ce26600 RDI: 0000000000000005
[   21.426103][  T494] RBP: 00007ffc7ce26560 R08: 0000000000000000 R09: 0000000000000000
[   21.426304][  T494] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e5f1
[   21.426497][  T494] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7ce26cd0
| [   21.427807][  T494] ---[ end trace 0000000000000000 ]---
| [   21.466056][  T495] ------------[ cut here ]------------
| [   21.466264][  T495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/495
| [   21.467398][  T495] Tainted: [W]=WARN
[   21.467553][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.467768][  T495] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.467979][  T495] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.468467][  T495] RSP: 0018:ffa0000001327188 EFLAGS: 00010286
[   21.468701][  T495] RAX: 00000000ffffffa6 RBX: ff1100000feea3c0 RCX: 1ff4000000264df7
[   21.468933][  T495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feea478
[   21.469167][  T495] RBP: ff110000083f1000 R08: 1fe2200001fdd490 R09: ff11000010205158
[   21.469397][  T495] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.469639][  T495] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.469898][  T495] FS:  00007f441d607ec0(0000) GS:ff110000a4bb0000(0000) knlGS:0000000000000000
[   21.470162][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.470369][  T495] CR2: 00007f441d968004 CR3: 000000001032a006 CR4: 0000000000771ef0
[   21.470600][  T495] PKRU: 55555554
[   21.470755][  T495] Call Trace:
[   21.470892][  T495]  <TASK>
[   21.471001][  T495]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.471214][  T495]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.471411][  T495]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.471581][  T495]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.471762][  T495]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.471971][  T495]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.472144][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.472320][  T495]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.472507][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.472686][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.472869][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.473035][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.473210][  T495]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.473377][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.473549][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.473728][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.473896][  T495]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.474064][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.474240][  T495]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.474408][  T495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.474576][  T495]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.474758][  T495]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.474926][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.475128][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.475305][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.475474][  T495]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.475658][  T495]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   21.475827][  T495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.475997][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.476173][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.476343][  T495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.476512][  T495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.476692][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.476862][  T495]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.477030][  T495]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.477205][  T495]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.477375][  T495]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.477546][  T495]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.477727][  T495]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.477924][  T495]  ? move_addr_to_kernel (net/socket.c:258)
[   21.478089][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.478267][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.478463][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.478645][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.478844][  T495]  ___sys_sendmsg (net/socket.c:2752)
[   21.479012][  T495]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.479190][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.479384][  T495]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   21.479553][  T495]  ? do_getsockname (net/socket.c:2192)
[   21.479735][  T495]  __sys_sendmsg (net/socket.c:2784)
[   21.479904][  T495]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.480075][  T495]  ? __sys_getsockname (net/socket.c:2210)
[   21.480250][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.480418][  T495]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.480585][  T495]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.480787][  T495]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.480958][  T495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.481161][  T495] RIP: 0033:0x7f441d6bc08e
[   21.481335][  T495] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.481833][  T495] RSP: 002b:00007ffdf68cfdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.482062][  T495] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f441d6bc08e
[   21.482300][  T495] RDX: 0000000000000000 RSI: 00007ffdf68cfe50 RDI: 0000000000000005
[   21.482526][  T495] RBP: 00007ffdf68cfde0 R08: 0000000000000000 R09: 0000000000000000
[   21.482762][  T495] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf68d4558
[   21.482987][  T495] R13: 0000000000000003 R14: 00007f441d9a8000 R15: 000000000040bda8
| [   21.484595][  T495] ---[ end trace 0000000000000000 ]---
| [   21.520895][   T12] ------------[ cut here ]------------
| [   21.521039][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.521534][   T12] Tainted: [W]=WARN
[   21.521674][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.521820][   T12] Workqueue: netns cleanup_net
[   21.521942][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.522099][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.522515][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.522671][   T12] RAX: 00000000ffffffa6 RBX: ff1100000feeba80 RCX: 1ff4000000018eed
[   21.522846][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feebb38
[   21.523024][   T12] RBP: ff1100000d714000 R08: 1fe2200001fdd768 R09: ff11000001b0d1d0
[   21.523207][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.523381][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.523561][   T12] FS:  0000000000000000(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   21.523774][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.523920][   T12] CR2: 00007fbe2d4617d0 CR3: 00000000102f9003 CR4: 0000000000771ef0
[   21.524096][   T12] PKRU: 55555554
[   21.524189][   T12] Call Trace:
[   21.524276][   T12]  <TASK>
[   21.524337][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.524487][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.524640][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.524757][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.524877][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.524992][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.525114][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.525263][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.525389][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.525505][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.525631][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.525770][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.525887][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.526005][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.526122][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.526246][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.526368][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.526486][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.526607][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.526734][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.526851][   T12]  kthread (kernel/kthread.c:436)
[   21.526940][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.527089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.527214][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.527337][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.527483][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.527603][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.527730][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.528934][   T12] ---[ end trace 0000000000000000 ]---
| [   21.540991][   T12] ------------[ cut here ]------------
| [   21.541123][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.541640][   T12] Tainted: [W]=WARN
[   21.541730][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.541882][   T12] Workqueue: netns cleanup_net
[   21.542006][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.542169][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.542592][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.542749][   T12] RAX: 00000000ffffffa6 RBX: ff1100000feeae40 RCX: 1ff4000000018ed5
[   21.542926][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000feeaef8
[   21.543105][   T12] RBP: ff1100000d6e9000 R08: 1fe2200001fdd5e0 R09: ff11000001b0d1d0
[   21.543287][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.543465][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.543674][   T12] FS:  0000000000000000(0000) GS:ff110000a4ab0000(0000) knlGS:0000000000000000
[   21.543884][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.544038][   T12] CR2: 00007fbe2d4617d0 CR3: 0000000034b49006 CR4: 0000000000771ef0
[   21.544221][   T12] PKRU: 55555554
[   21.544309][   T12] Call Trace:
[   21.544398][   T12]  <TASK>
[   21.544460][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.544612][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.544771][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.544893][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.545014][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.545133][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.545259][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.545380][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   21.545502][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.545629][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.545749][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.545870][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.545993][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.546112][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.546236][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.546358][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.546478][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.546599][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.546729][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.546849][   T12]  kthread (kernel/kthread.c:436)
[   21.546939][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.547087][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.547210][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.547331][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.547480][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.547598][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


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