======================================
| 0
| xx__-> [    8.708948][  T179] ------------[ cut here ]------------
| [    8.709186][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/179
| [    8.709767][  T179] Tainted: [W]=WARN
[    8.709921][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.710123][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.710337][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.710873][  T179] RSP: 0018:ffa0000000897ab0 EFLAGS: 00010286
[    8.711125][  T179] RAX: 00000000ffffffa6 RBX: ff110000091f2040 RCX: 1ff4000000112f1c
[    8.711367][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f20f8
[    8.711597][  T179] RBP: ff11000009f21000 R08: 1fe220000123e420 R09: ff1100000cc42e80
[    8.711829][  T179] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.712070][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009f21000
[    8.712309][  T179] FS:  00007fd5bc22d840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    8.712574][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.712780][  T179] CR2: 0000000000479648 CR3: 000000000cc01006 CR4: 0000000000771ef0
[    8.713023][  T179] PKRU: 55555554
[    8.713162][  T179] Call Trace:
[    8.713306][  T179]  <TASK>
[    8.713416][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.713587][  T179]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.713757][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.713912][  T179]  register_netdevice (net/core/dev.c:11488)
[    8.714085][  T179]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.714285][  T179]  register_netdev (net/core/dev.c:11552)
[    8.714464][  T179]  loopback_net_init (drivers/net/loopback.c:218)
[    8.714635][  T179]  ops_init (net/core/net_namespace.c:137)
[    8.714776][  T179]  setup_net (net/core/net_namespace.c:446)
[    8.714928][  T179]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.715097][  T179]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.715270][  T179]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.715449][  T179]  copy_net_ns (net/core/net_namespace.c:579)
[    8.715622][  T179]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.715794][  T179]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.715976][  T179]  ksys_unshare (kernel/fork.c:3243)
[    8.716145][  T179]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.716323][  T179]  ? __ia32_sys_open (fs/open.c:1374)
[    8.716497][  T179]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.716666][  T179]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.716837][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.717017][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.717187][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.717365][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.717566][  T179] RIP: 0033:0x7fd5bc4efbcb
[    8.717742][  T179] 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
[    8.718239][  T179] RSP: 002b:00007ffd1701ab18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.718479][  T179] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd5bc4efbcb
[    8.718712][  T179] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.718953][  T179] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.719183][  T179] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1701cd40
[    8.719420][  T179] R13: 0000000000000001 R14: 00007fd5bc22d6f8 R15: 00007ffd1701e8dd
| [    8.721002][  T179] ---[ end trace 0000000000000000 ]---
| [    8.724542][  T179] ------------[ cut here ]------------
| [    8.724714][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/179
| [    8.725306][  T179] Tainted: [W]=WARN
[    8.725446][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.725644][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.725850][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.726359][  T179] RSP: 0018:ffa0000000897a98 EFLAGS: 00010286
[    8.726563][  T179] RAX: 00000000ffffffa6 RBX: ff11000009cbf380 RCX: 1ff4000000112f19
[    8.726795][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009cbf438
[    8.727530][  T179] RBP: ff11000007d2c000 R08: 1fe2200001397e88 R09: ff1100000cc42e80
[    8.727829][  T179] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.728123][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007d2c000
[    8.728414][  T179] FS:  00007fd5bc22d840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    8.728740][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.729018][  T179] CR2: 0000000000479648 CR3: 000000000cc01006 CR4: 0000000000771ef0
[    8.729306][  T179] PKRU: 55555554
[    8.729496][  T179] Call Trace:
[    8.729685][  T179]  <TASK>
[    8.729844][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.730081][  T179]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.730309][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.730513][  T179]  register_netdevice (net/core/dev.c:11488)
[    8.730735][  T179]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.730998][  T179]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.731221][  T179]  register_netdev (net/core/dev.c:11552)
[    8.731452][  T179]  sit_init_net (net/ipv6/sit.c:1860)
[    8.731680][  T179]  ops_init (net/core/net_namespace.c:137)
[    8.731873][  T179]  setup_net (net/core/net_namespace.c:446)
[    8.732076][  T179]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.732316][  T179]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.732538][  T179]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.732762][  T179]  copy_net_ns (net/core/net_namespace.c:579)
[    8.732999][  T179]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.733233][  T179]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.733407][  T179]  ksys_unshare (kernel/fork.c:3243)
[    8.733596][  T179]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.733765][  T179]  ? __ia32_sys_open (fs/open.c:1374)
[    8.733950][  T179]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.734120][  T179]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.734313][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.734483][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.734653][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.734823][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.735046][  T179] RIP: 0033:0x7fd5bc4efbcb
[    8.735220][  T179] 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
[    8.735728][  T179] RSP: 002b:00007ffd1701ab18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.735973][  T179] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd5bc4efbcb
[    8.736214][  T179] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.736468][  T179] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.736697][  T179] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1701cd40
[    8.736936][  T179] R13: 0000000000000001 R14: 00007fd5bc22d6f8 R15: 00007ffd1701e8dd
| [    8.738572][  T179] ---[ end trace 0000000000000000 ]---
| [    8.769135][  T180] ------------[ cut here ]------------
| [    8.769277][  T180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/180
| [    8.769767][  T180] Tainted: [W]=WARN
[    8.769863][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.770518][  T180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.770684][  T180] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.771137][  T180] RSP: 0018:ffa00000008a7ab0 EFLAGS: 00010286
[    8.771297][  T180] RAX: 00000000ffffffa6 RBX: ff11000009cbe040 RCX: 1ff4000000114f1c
[    8.771489][  T180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009cbe0f8
[    8.771678][  T180] RBP: ff11000009ff1000 R08: 1fe2200001397c20 R09: ff1100000cc40b80
[    8.771879][  T180] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.772074][  T180] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ff1000
[    8.772264][  T180] FS:  00007f8da8942840(0000) GS:ff1100008fc30000(0000) knlGS:0000000000000000
[    8.772491][  T180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.772649][  T180] CR2: 00007f8da8b49430 CR3: 000000000c0b7004 CR4: 0000000000771ef0
[    8.772840][  T180] PKRU: 55555554
[    8.772941][  T180] Call Trace:
[    8.773035][  T180]  <TASK>
[    8.773100][  T180]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.773226][  T180]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.773359][  T180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.773455][  T180]  register_netdevice (net/core/dev.c:11488)
[    8.773583][  T180]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.773744][  T180]  register_netdev (net/core/dev.c:11552)
[    8.773869][  T180]  loopback_net_init (drivers/net/loopback.c:218)
[    8.774000][  T180]  ops_init (net/core/net_namespace.c:137)
[    8.774097][  T180]  setup_net (net/core/net_namespace.c:446)
[    8.774192][  T180]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.774321][  T180]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.774447][  T180]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.774576][  T180]  copy_net_ns (net/core/net_namespace.c:579)
[    8.774702][  T180]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.774830][  T180]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.774961][  T180]  ksys_unshare (kernel/fork.c:3243)
[    8.775089][  T180]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.775217][  T180]  ? __ia32_sys_open (fs/open.c:1374)
[    8.775347][  T180]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.775474][  T180]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.775600][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.775726][  T180]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.775853][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.775985][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.776141][  T180] RIP: 0033:0x7f8da8c04bcb
[    8.776272][  T180] 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
[    8.776726][  T180] RSP: 002b:00007fff5a2889f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.776921][  T180] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8da8c04bcb
[    8.777110][  T180] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.777305][  T180] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.777493][  T180] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5a28ac20
[    8.777682][  T180] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5a28c8dd
| [    8.778960][  T180] ---[ end trace 0000000000000000 ]---
| [    8.781770][  T180] ------------[ cut here ]------------
| [    8.781908][  T180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/180
| [    8.782385][  T180] Tainted: [W]=WARN
[    8.782480][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.782636][  T180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.782798][  T180] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.783347][  T180] RSP: 0018:ffa00000008a7a98 EFLAGS: 00010286
[    8.783505][  T180] RAX: 00000000ffffffa6 RBX: ff11000004b0c3c0 RCX: 1ff4000000114f19
[    8.783776][  T180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b0c478
[    8.783968][  T180] RBP: ff11000009f29000 R08: 1fe2200000961890 R09: ff1100000cc40b80
[    8.784155][  T180] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.784432][  T180] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009f29000
[    8.784619][  T180] FS:  00007f8da8942840(0000) GS:ff1100008fc30000(0000) knlGS:0000000000000000
[    8.784927][  T180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.785084][  T180] CR2: 00007f8da8b49430 CR3: 000000000c0b7004 CR4: 0000000000771ef0
[    8.785275][  T180] PKRU: 55555554
[    8.785454][  T180] Call Trace:
[    8.785547][  T180]  <TASK>
[    8.785611][  T180]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.785736][  T180]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.785864][  T180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.786044][  T180]  register_netdevice (net/core/dev.c:11488)
[    8.786172][  T180]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.786336][  T180]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.786462][  T180]  register_netdev (net/core/dev.c:11552)
[    8.786669][  T180]  sit_init_net (net/ipv6/sit.c:1860)
[    8.786795][  T180]  ops_init (net/core/net_namespace.c:137)
[    8.786896][  T180]  setup_net (net/core/net_namespace.c:446)
[    8.786991][  T180]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.787116][  T180]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.787330][  T180]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.787456][  T180]  copy_net_ns (net/core/net_namespace.c:579)
[    8.787581][  T180]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.787707][  T180]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.787919][  T180]  ksys_unshare (kernel/fork.c:3243)
[    8.788044][  T180]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.788170][  T180]  ? __ia32_sys_open (fs/open.c:1374)
[    8.788297][  T180]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.788509][  T180]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.788632][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.788756][  T180]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.788880][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.789011][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.789165][  T180] RIP: 0033:0x7f8da8c04bcb
[    8.789295][  T180] 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
[    8.789833][  T180] RSP: 002b:00007fff5a2889f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.790109][  T180] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8da8c04bcb
[    8.790294][  T180] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.790486][  T180] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.790754][  T180] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5a28ac20
[    8.790945][  T180] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5a28c8dd
| [    8.792442][  T180] ---[ end trace 0000000000000000 ]---
| [    8.823129][  T181] ------------[ cut here ]------------
| [    8.823340][  T181] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/181
| [    8.824069][  T181] Tainted: [W]=WARN
[    8.824221][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.824450][  T181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.824859][  T181] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.825564][  T181] RSP: 0018:ffa00000008b6e20 EFLAGS: 00010286
[    8.825855][  T181] RAX: 00000000ffffffa6 RBX: ff11000009717700 RCX: 1ff4000000116d8a
[    8.826185][  T181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097177b8
[    8.826541][  T181] RBP: ff1100000884c000 R08: 1fe22000012e2ef8 R09: ff1100000c1a0b80
[    8.826856][  T181] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.827171][  T181] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d3ad000
[    8.827517][  T181] FS:  00007f435c6d1840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    8.827821][  T181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.828036][  T181] CR2: 00005636b5a3e010 CR3: 000000000597b001 CR4: 0000000000771ef0
[    8.828276][  T181] PKRU: 55555554
[    8.828442][  T181] Call Trace:
[    8.828585][  T181]  <TASK>
[    8.828698][  T181]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.828899][  T181]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.829054][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.829229][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.829410][  T181]  __dev_notify_flags (net/core/dev.c:9787)
[    8.829586][  T181]  ? netif_change_name (net/core/dev.c:1495)
[    8.829760][  T181]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.829948][  T181]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.830127][  T181]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.830311][  T181]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.830487][  T181]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.830662][  T181]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.830917][  T181]  veth_newlink (drivers/net/veth.c:1871)
[    8.831095][  T181]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    8.831285][  T181]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.831537][  T181]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.831724][  T181]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.831924][  T181]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.832115][  T181]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.832292][  T181]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.832476][  T181]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.832654][  T181]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.832831][  T181]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.833021][  T181]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.833212][  T181]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.833424][  T181]  ? __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)
[    8.833600][  T181]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.833777][  T181]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.833965][  T181]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.835535][  T181]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.835719][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.835904][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.836077][  T181]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.836271][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.836453][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.836712][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.836914][  T181]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.837173][  T181]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.837544][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.837725][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.837911][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.838088][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.838263][  T181]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.838446][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.838624][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.838799][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.839003][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.839180][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.839362][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.839539][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.839802][  T181]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.839991][  T181]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.840255][  T181]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.840467][  T181]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.840644][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.840849][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    8.841138][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.841321][  T181]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.841499][  T181]  ___sys_sendmsg (net/socket.c:2752)
[    8.841692][  T181]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    8.841880][  T181]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.842074][  T181]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    8.842253][  T181]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    8.842439][  T181]  __sys_sendmsg (net/socket.c:2784)
[    8.842619][  T181]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.842797][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.843074][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.843347][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.843546][  T181]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.843722][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.843911][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.844134][  T181] RIP: 0033:0x7f435c90b08e
[    8.844320][  T181] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.844949][  T181] RSP: 002b:00007ffc8d942990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.845279][  T181] RAX: ffffffffffffffda RBX: 00007ffc8d943120 RCX: 00007f435c90b08e
[    8.845547][  T181] RDX: 0000000000000000 RSI: 00007ffc8d942a40 RDI: 0000000000000003
[    8.845784][  T181] RBP: 00007ffc8d9429a0 R08: 0000000000000000 R09: 0000000000000000
[    8.846044][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    8.846283][  T181] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8d943100
| [    8.848143][  T181] ---[ end trace 0000000000000000 ]---
| [    8.876535][  T181] ------------[ cut here ]------------
| [    8.876729][  T181] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/181
| [    8.877345][  T181] Tainted: [W]=WARN
[    8.877490][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.877700][  T181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.877933][  T181] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.878463][  T181] RSP: 0018:ffa00000008b71a0 EFLAGS: 00010286
[    8.878672][  T181] RAX: 00000000ffffffa6 RBX: ff1100001010ce40 RCX: 1ff4000000116dfa
[    8.878926][  T181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001010cef8
[    8.879168][  T181] RBP: ff110000088c4000 R08: 1fe22000020219e0 R09: ff1100000c1a0b80
[    8.879412][  T181] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.879652][  T181] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.879907][  T181] FS:  00007f435c6d1840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    8.880180][  T181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.880399][  T181] CR2: 00005636b5a3e010 CR3: 000000000597b001 CR4: 0000000000771ef0
[    8.880643][  T181] PKRU: 55555554
[    8.880785][  T181] Call Trace:
[    8.880938][  T181]  <TASK>
[    8.881051][  T181]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.881233][  T181]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.881388][  T181]  __dev_notify_flags (net/core/dev.c:9787)
[    8.881566][  T181]  ? netif_change_name (net/core/dev.c:1495)
[    8.881745][  T181]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.881933][  T181]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.882111][  T181]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.882287][  T181]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.882471][  T181]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.882647][  T181]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.882823][  T181]  ? __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)
[    8.883010][  T181]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.883188][  T181]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.883373][  T181]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.883552][  T181]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.883731][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.883918][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.884096][  T181]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.884275][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.884464][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.884641][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.884818][  T181]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.885004][  T181]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.885181][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.885370][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.885546][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.885726][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.885914][  T181]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.886092][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.886271][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.886456][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.886633][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.886810][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.886998][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.887176][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.887362][  T181]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.887539][  T181]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.887718][  T181]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.888078][  T181]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.888258][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.888473][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    8.888650][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.888826][  T181]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.889017][  T181]  ___sys_sendmsg (net/socket.c:2752)
[    8.889198][  T181]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    8.889378][  T181]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.889557][  T181]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    8.889737][  T181]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    8.889926][  T181]  __sys_sendmsg (net/socket.c:2784)
[    8.890101][  T181]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.890282][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.890466][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.890643][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.890819][  T181]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.891005][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.891180][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.891394][  T181] RIP: 0033:0x7f435c90b08e
[    8.891574][  T181] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.892090][  T181] RSP: 002b:00007ffc8d942990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.892336][  T181] RAX: ffffffffffffffda RBX: 00007ffc8d943120 RCX: 00007f435c90b08e
[    8.892577][  T181] RDX: 0000000000000000 RSI: 00007ffc8d942a40 RDI: 0000000000000003
[    8.892814][  T181] RBP: 00007ffc8d9429a0 R08: 0000000000000000 R09: 0000000000000000
[    8.893063][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    8.893306][  T181] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8d943100
| [    8.898428][  T181] ip (181) used greatest stack depth: 23336 bytes left
| [    8.932591][  T183] ------------[ cut here ]------------
| [    8.932773][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/183
| [    8.933378][  T183] Tainted: [W]=WARN
[    8.933517][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.933717][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.933938][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.934422][  T183] RSP: 0018:ffa0000000596ff8 EFLAGS: 00010286
[    8.934623][  T183] RAX: 00000000ffffffa6 RBX: ff1100000d12c040 RCX: 1ff40000000b2dc5
[    8.934850][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d12c0f8
[    8.935089][  T183] RBP: ff1100000884c000 R08: 1fe2200001a25820 R09: ff1100000c870b58
[    8.935325][  T183] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.935559][  T183] R13: 0000000000000000 R14: ffa0000000597140 R15: ff1100000d098040
[    8.935787][  T183] FS:  00007fbc2fafa840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    8.936055][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.936256][  T183] CR2: 0000000015fd5988 CR3: 000000000597b005 CR4: 0000000000771ef0
[    8.936491][  T183] PKRU: 55555554
[    8.936633][  T183] Call Trace:
[    8.936771][  T183]  <TASK>
[    8.936879][  T183]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    8.937062][  T183]  __dev_change_net_namespace (net/core/dev.c:12635)
[    8.937261][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.937439][  T183]  ? default_device_exit_batch (net/core/dev.c:13091)
[    8.937638][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.937805][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.937988][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.938156][  T183]  ? 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))
[    8.938330][  T183]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.938500][  T183]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    8.938669][  T183]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    8.938839][  T183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.939022][  T183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.939225][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.939399][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.939567][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.939735][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.939917][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.940087][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.940254][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.940434][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.940603][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.940773][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.940952][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.941121][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.941288][  T183]  ? __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)
[    8.941466][  T183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.941634][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.941807][  T183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.941988][  T183]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.942159][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.942335][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.942507][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.942674][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.942843][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.943026][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.943195][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.943372][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.943540][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.943709][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.943879][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.944062][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.944231][  T183]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.944413][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.944583][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.944750][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.944933][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.945104][  T183]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.945272][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.945452][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.945624][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.945795][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.945977][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.946146][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.946321][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.946491][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.946661][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.946832][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.947016][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.947185][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.947389][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    8.947559][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.947727][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.947909][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    8.948077][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.948279][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.948464][  T183]  __sys_sendmsg (net/socket.c:2784)
[    8.948634][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.948801][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.949017][  T183]  ? 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)
[    8.949184][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.949365][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.949533][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.949702][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.949870][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.950077][  T183] RIP: 0033:0x7fbc2fd3408e
[    8.950252][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.950736][  T183] RSP: 002b:00007ffe0fbd0b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.950978][  T183] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc2fd3408e
[    8.951206][  T183] RDX: 0000000000000000 RSI: 00007ffe0fbd0c40 RDI: 0000000000000003
[    8.951433][  T183] RBP: 00007ffe0fbd0ba0 R08: 0000000000000000 R09: 0000000000000000
[    8.951661][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    8.951900][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0fbd1300
| [    8.953446][  T183] ---[ end trace 0000000000000000 ]---
| [    8.954801][  T183] ------------[ cut here ]------------
| [    8.955285][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/183
| [    8.955849][  T183] Tainted: [W]=WARN
[    8.956005][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.956205][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.956419][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.956913][  T183] RSP: 0018:ffa0000000596fc0 EFLAGS: 00010286
[    8.957119][  T183] RAX: 00000000ffffffa6 RBX: ff1100000d12cc80 RCX: 1ff40000000b2dbe
[    8.957358][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d12cd38
[    8.957588][  T183] RBP: ff1100000884c000 R08: 1fe2200001a259a8 R09: ff1100000c870b58
[    8.957818][  T183] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.958059][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d098040
[    8.958290][  T183] FS:  00007fbc2fafa840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    8.958561][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.958763][  T183] CR2: 0000000015fd5988 CR3: 000000000597b005 CR4: 0000000000771ef0
[    8.959010][  T183] PKRU: 55555554
[    8.959151][  T183] Call Trace:
[    8.959290][  T183]  <TASK>
[    8.959409][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.959580][  T183]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.959751][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.959903][  T183]  __dev_change_net_namespace (net/core/dev.c:12695)
[    8.960105][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.960276][  T183]  ? default_device_exit_batch (net/core/dev.c:13091)
[    8.960488][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.960655][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.960825][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.961049][  T183]  ? 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))
[    8.961220][  T183]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.961399][  T183]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    8.961570][  T183]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    8.961743][  T183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.961925][  T183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.962124][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.962293][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.962471][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.962640][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.962813][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.962997][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.963166][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.963343][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.963513][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.963681][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.963850][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.964030][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.964203][  T183]  ? __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)
[    8.964375][  T183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.964544][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.964714][  T183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.964883][  T183]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.965069][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.965242][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.965423][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.965597][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.965764][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.965949][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.966117][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.966286][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.966462][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.966631][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.966804][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.966986][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.967154][  T183]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.967331][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.967501][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.967668][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.967837][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.968018][  T183]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.968191][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.968371][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.968539][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.968710][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.968880][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.969062][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.969232][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.969409][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.969584][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.969755][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.969937][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.970106][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.970311][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    8.970482][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.970651][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.970824][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    8.971005][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.971204][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.971385][  T183]  __sys_sendmsg (net/socket.c:2784)
[    8.971556][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.971725][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.971939][  T183]  ? 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)
[    8.972111][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.972282][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.972459][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.972628][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.972797][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.973008][  T183] RIP: 0033:0x7fbc2fd3408e
[    8.973182][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.973670][  T183] RSP: 002b:00007ffe0fbd0b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.973912][  T183] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc2fd3408e
[    8.974141][  T183] RDX: 0000000000000000 RSI: 00007ffe0fbd0c40 RDI: 0000000000000003
[    8.974375][  T183] RBP: 00007ffe0fbd0ba0 R08: 0000000000000000 R09: 0000000000000000
[    8.974602][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    8.974831][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0fbd1300
| [    8.976411][  T183] ---[ end trace 0000000000000000 ]---
| [    8.976879][  T183] ------------[ cut here ]------------
| [    8.977064][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/183
| [    8.977627][  T183] Tainted: [W]=WARN
[    8.977767][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.978491][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.978760][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.979330][  T183] RSP: 0018:ffa0000000597020 EFLAGS: 00010286
[    8.979588][  T183] RAX: 00000000ffffffa6 RBX: ff1100000d12ce40 RCX: 1ff40000000b2dca
[    8.979872][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d12cef8
[    8.980169][  T183] RBP: ff1100000884c000 R08: 1fe2200001a259e0 R09: ff1100000c870b58
[    8.980465][  T183] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.980751][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000884cce1
[    8.981052][  T183] FS:  00007fbc2fafa840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    8.981376][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.981633][  T183] CR2: 0000000015fd5988 CR3: 000000000597b005 CR4: 0000000000771ef0
[    8.981938][  T183] PKRU: 55555554
[    8.982129][  T183] Call Trace:
[    8.982328][  T183]  <TASK>
[    8.982492][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.982719][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.982926][  T183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.983152][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    8.983384][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    8.983615][  T183]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.983842][  T183]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.984078][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.984308][  T183]  ? 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))
[    8.984533][  T183]  netif_change_flags (net/core/dev.c:9820)
[    8.984758][  T183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.985000][  T183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.985224][  T183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.985489][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.985712][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.985949][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.986172][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.986404][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.986632][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.986854][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.987088][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.987320][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.987544][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.987766][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.988003][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.988227][  T183]  ? __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)
[    8.988460][  T183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.988646][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.988818][  T183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.989000][  T183]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.989173][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.989350][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.989524][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.989699][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.989870][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.990058][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.990229][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.990410][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.990582][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.990754][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.990938][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.991114][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.991285][  T183]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.991467][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.991640][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.991810][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.991997][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.992169][  T183]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.992348][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.992526][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.992696][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.992870][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.993056][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.993228][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.993409][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.993582][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.993757][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.993940][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.994115][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.994286][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.994495][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    8.994667][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.994838][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.995026][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    8.995198][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.995408][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.995590][  T183]  __sys_sendmsg (net/socket.c:2784)
[    8.995763][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.995948][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.996155][  T183]  ? 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)
[    8.996337][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.996514][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.996686][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.996857][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.997040][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.997243][  T183] RIP: 0033:0x7fbc2fd3408e
[    8.997428][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.997931][  T183] RSP: 002b:00007ffe0fbd0b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.998166][  T183] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc2fd3408e
[    8.998405][  T183] RDX: 0000000000000000 RSI: 00007ffe0fbd0c40 RDI: 0000000000000003
[    8.998640][  T183] RBP: 00007ffe0fbd0ba0 R08: 0000000000000000 R09: 0000000000000000
[    8.998872][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    8.999119][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0fbd1300
| [    9.000720][  T183] ---[ end trace 0000000000000000 ]---
| [    9.042619][  T186] ------------[ cut here ]------------
| [    9.042821][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.043405][  T186] Tainted: [W]=WARN
[    9.043546][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.043744][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.044019][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.044500][  T186] RSP: 0018:ffa00000008b6ff8 EFLAGS: 00010286
[    9.044730][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c938ac0 RCX: 1ff4000000116dc5
[    9.044973][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c938b78
[    9.045203][  T186] RBP: ff110000088c4000 R08: 1fe2200001927170 R09: ff1100000c22ae58
[    9.045439][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.045670][  T186] R13: 0000000000000000 R14: ffa00000008b7140 R15: ff1100000d099b00
[    9.045911][  T186] FS:  00007f3ad4afc840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    9.046173][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.046378][  T186] CR2: 000000001c9c7988 CR3: 0000000004bda001 CR4: 0000000000771ef0
[    9.046611][  T186] PKRU: 55555554
[    9.046749][  T186] Call Trace:
[    9.046901][  T186]  <TASK>
[    9.047009][  T186]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    9.047184][  T186]  __dev_change_net_namespace (net/core/dev.c:12635)
[    9.047393][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.047594][  T186]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.047798][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.047978][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.048150][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.048330][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.048503][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.048673][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.048842][  T186]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.049025][  T186]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.049195][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.049404][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.049577][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.049747][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.049929][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.050100][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.050273][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.050452][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.050623][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.050790][  T186]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.050969][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.051135][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.051311][  T186]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.051482][  T186]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.051656][  T186]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.051825][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.052007][  T186]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.052177][  T186]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.052360][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.052533][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.052704][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.052875][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.053056][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.053227][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.053401][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.053568][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.053737][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.053918][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.054087][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.054256][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.054432][  T186]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.054600][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.054770][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.054949][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.055119][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.055321][  T186]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.055491][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.055663][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.055829][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.056010][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.056181][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.056356][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.056525][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.056694][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.056864][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.057046][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.057213][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.057388][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.057583][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.057752][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.057933][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.058106][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.058273][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.058480][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.058656][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.058824][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.059003][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.059203][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.059377][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.059547][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.059713][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.059881][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.060062][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.060257][  T186] RIP: 0033:0x7f3ad4d3608e
[    9.060436][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.060924][  T186] RSP: 002b:00007fff7fb2dbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.061153][  T186] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3ad4d3608e
[    9.061388][  T186] RDX: 0000000000000000 RSI: 00007fff7fb2dc80 RDI: 0000000000000003
[    9.061617][  T186] RBP: 00007fff7fb2dbe0 R08: 0000000000000000 R09: 0000000000000000
[    9.061844][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    9.062081][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7fb2e340
| [    9.063630][  T186] ---[ end trace 0000000000000000 ]---
| [    9.070119][  T186] ------------[ cut here ]------------
| [    9.070288][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.070855][  T186] Tainted: [W]=WARN
[    9.071507][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.071764][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.072037][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.072585][  T186] RSP: 0018:ffa00000008b6fc0 EFLAGS: 00010286
[    9.072837][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c939a80 RCX: 1ff4000000116dbe
[    9.073139][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c939b38
[    9.073430][  T186] RBP: ff110000088c4000 R08: 1fe2200001927368 R09: ff1100000c22ae58
[    9.073709][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.074001][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d099b00
[    9.074283][  T186] FS:  00007f3ad4afc840(0000) GS:ff1100008fbb0000(0000) knlGS:0000000000000000
[    9.074605][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.074857][  T186] CR2: 000000001c9c7988 CR3: 0000000004bda001 CR4: 0000000000771ef0
[    9.075148][  T186] PKRU: 55555554
[    9.075343][  T186] Call Trace:
[    9.075531][  T186]  <TASK>
[    9.075689][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.075922][  T186]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.076145][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.076342][  T186]  __dev_change_net_namespace (net/core/dev.c:12695)
[    9.076593][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.076813][  T186]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.077073][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.077290][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.077517][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.077737][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.077967][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.078186][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.078413][  T186]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.078635][  T186]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.078854][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.079110][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.079338][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.079557][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.079774][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.080005][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.080223][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.080453][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.080675][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.080910][  T186]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.081128][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.081353][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.081561][  T186]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.081730][  T186]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.081909][  T186]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.082079][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.082249][  T186]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.082430][  T186]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.082601][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.082771][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.082954][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.083121][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.083288][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.083466][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.083636][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.083804][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.083984][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.084153][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.084326][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.084495][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.084662][  T186]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.084829][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.085015][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.085181][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.085358][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.085527][  T186]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.085697][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.085867][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.086046][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.086215][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.086396][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.086565][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.086733][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.086914][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.087082][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.087250][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.087429][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.087601][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.087796][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.087978][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.088146][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.088319][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.088485][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.088682][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.088861][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.089040][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.089206][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.089408][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.089575][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.089744][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.089921][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.090088][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.090270][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.090468][  T186] RIP: 0033:0x7f3ad4d3608e
[    9.090639][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.091125][  T186] RSP: 002b:00007fff7fb2dbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.091372][  T186] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3ad4d3608e
[    9.091598][  T186] RDX: 0000000000000000 RSI: 00007fff7fb2dc80 RDI: 0000000000000003
[    9.091822][  T186] RBP: 00007fff7fb2dbe0 R08: 0000000000000000 R09: 0000000000000000
[    9.092059][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    9.092296][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7fb2e340
| [    9.093853][  T186] ---[ end trace 0000000000000000 ]---
| [    9.094400][  T186] ------------[ cut here ]------------
| [    9.094535][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.095837][  T186] Tainted: [W]=WARN
[    9.096027][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.096184][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.096431][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.096871][  T186] RSP: 0018:ffa00000008b7020 EFLAGS: 00010286
[    9.097101][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c939c40 RCX: 1ff4000000116dca
[    9.097287][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c939cf8
[    9.097474][  T186] RBP: ff110000088c4000 R08: 1fe22000019273a0 R09: ff1100000c22ae58
[    9.097658][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.097841][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088c4ce1
[    9.098102][  T186] FS:  00007f3ad4afc840(0000) GS:ff1100008fc30000(0000) knlGS:0000000000000000
[    9.098323][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.098480][  T186] CR2: 00007f19889b2388 CR3: 0000000004bda001 CR4: 0000000000771ef0
[    9.098664][  T186] PKRU: 55555554
[    9.098757][  T186] Call Trace:
[    9.098849][  T186]  <TASK>
[    9.098993][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.099119][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.099214][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.099340][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.099466][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.099589][  T186]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.099713][  T186]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.099837][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.100034][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.100158][  T186]  netif_change_flags (net/core/dev.c:9820)
[    9.100283][  T186]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.100412][  T186]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.100536][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.100689][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.100813][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.101008][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.101131][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.101255][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.101393][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.101515][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.101638][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.101761][  T186]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.101975][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.102098][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.102221][  T186]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.102346][  T186]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.102471][  T186]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.102594][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.102718][  T186]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.102840][  T186]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.103055][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.103181][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.103310][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.103434][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.103558][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.103683][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.103806][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.104028][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.104152][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.104276][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.104404][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.104527][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.104649][  T186]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.104771][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.104976][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.105100][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.105223][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.105349][  T186]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.105473][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.105599][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.105721][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.105846][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.106044][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.106169][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.106293][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.106423][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.106548][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.106673][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.106795][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.107010][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.107165][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.107289][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.107417][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.107542][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.107664][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.107818][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.108032][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.108155][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.108278][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.108435][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.108559][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.108683][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.108806][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.109009][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.109134][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.109288][  T186] RIP: 0033:0x7f3ad4d3608e
[    9.109421][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.109859][  T186] RSP: 002b:00007fff7fb2dbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.110129][  T186] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3ad4d3608e
[    9.110313][  T186] RDX: 0000000000000000 RSI: 00007fff7fb2dc80 RDI: 0000000000000003
[    9.110498][  T186] RBP: 00007fff7fb2dbe0 R08: 0000000000000000 R09: 0000000000000000
[    9.110681][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c528
[    9.110867][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7fb2e340
| [    9.112429][  T186] ---[ end trace 0000000000000000 ]---
| [    9.118528][  T104] ------------[ cut here ]------------
| [    9.118687][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/104
| [    9.119268][  T104] Tainted: [W]=WARN
[    9.119363][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.119553][  T104] Workqueue: events_unbound linkwatch_event
[    9.119751][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.119916][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.120343][  T104] RSP: 0018:ffa00000006579e0 EFLAGS: 00010286
[    9.120487][  T104] RAX: 00000000ffffffa6 RBX: ff11000009bf2740 RCX: 1ff40000000caf02
[    9.120658][  T104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009bf27f8
[    9.120829][  T104] RBP: ff110000088c4000 R08: 1fe220000137e500 R09: ff1100000c8751a8
[    9.121008][  T104] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    9.121179][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.121362][  T104] FS:  0000000000000000(0000) GS:ff1100008fb30000(0000) knlGS:0000000000000000
[    9.121567][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.121717][  T104] CR2: 00005565dac567e8 CR3: 000000000a651005 CR4: 0000000000771ef0
[    9.121903][  T104] PKRU: 55555554
[    9.121989][  T104] Call Trace:
[    9.122077][  T104]  <TASK>
[    9.122138][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.122254][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.122378][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.122475][  T104]  netif_state_change (net/core/dev.c:1605)
[    9.122593][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.122737][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.122852][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.122972][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.123089][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.123204][  T104]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    9.123324][  T104]  process_one_work (kernel/workqueue.c:3314)
[    9.123444][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.123558][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.123677][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.123794][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.123915][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.124032][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.124147][  T104]  kthread (kernel/kthread.c:436)
[    9.124233][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.124384][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.124500][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.124615][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.124758][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.124874][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.124993][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.126087][  T104] ---[ end trace 0000000000000000 ]---
| [    9.127131][  T104] ------------[ cut here ]------------
| [    9.127249][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/104
| [    9.127737][  T104] Tainted: [W]=WARN
[    9.127823][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.127974][  T104] Workqueue: events_unbound linkwatch_event
[    9.128122][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.128270][  T104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.128684][  T104] RSP: 0018:ffa00000006579e0 EFLAGS: 00010286
[    9.128829][  T104] RAX: 00000000ffffffa6 RBX: ff11000009bf2e40 RCX: 1ff40000000caf02
[    9.129004][  T104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009bf2ef8
[    9.129173][  T104] RBP: ff1100000884c000 R08: 1fe220000137e5e0 R09: ff1100000c8751a8
[    9.129348][  T104] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    9.129523][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.129694][  T104] FS:  0000000000000000(0000) GS:ff1100008fb30000(0000) knlGS:0000000000000000
[    9.129912][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.130056][  T104] CR2: 00005565dac567e8 CR3: 000000000a651005 CR4: 0000000000771ef0
[    9.130240][  T104] PKRU: 55555554
[    9.130406][  T104] Call Trace:
[    9.130508][  T104]  <TASK>
[    9.130568][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.130683][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.130800][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.130899][  T104]  netif_state_change (net/core/dev.c:1605)
[    9.131014][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.131157][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.131272][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.131392][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.131510][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.131623][  T104]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    9.131737][  T104]  process_one_work (kernel/workqueue.c:3314)
[    9.131855][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.131973][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.132091][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.132206][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.132325][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.132440][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.132558][  T104]  kthread (kernel/kthread.c:436)
[    9.132649][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.132791][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.132911][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.133027][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.133168][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.133282][  T104]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
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:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
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