======================================
| 0
| xx__-> [    8.266970][  T157] ------------[ cut here ]------------
| [    8.267247][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/157
| [    8.267901][  T157] Tainted: [W]=WARN
[    8.268051][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.268267][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.268488][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.269391][  T157] RSP: 0018:ffa0000000777ab0 EFLAGS: 00010286
[    8.269602][  T157] RAX: 00000000ffffffa6 RBX: ff1100000d14fe00 RCX: 1ff40000000eef1c
[    8.269894][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d14feb8
[    8.270138][  T157] RBP: ff11000009134000 R08: 1fe2200001a29fd8 R09: ff1100000db05180
[    8.270396][  T157] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.270646][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009134000
[    8.270906][  T157] FS:  00007fc1a398f840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.271190][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.271412][  T157] CR2: 0000000000479648 CR3: 000000000db0f005 CR4: 0000000000771ef0
[    8.271655][  T157] PKRU: 55555554
[    8.271800][  T157] Call Trace:
[    8.271957][  T157]  <TASK>
[    8.272072][  T157]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.272259][  T157]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.272442][  T157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.272591][  T157]  register_netdevice (net/core/dev.c:11488)
[    8.272773][  T157]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.273000][  T157]  register_netdev (net/core/dev.c:11552)
[    8.273180][  T157]  loopback_net_init (drivers/net/loopback.c:218)
[    8.273369][  T157]  ops_init (net/core/net_namespace.c:137)
[    8.273518][  T157]  setup_net (net/core/net_namespace.c:446)
[    8.273668][  T157]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.273856][  T157]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.274037][  T157]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.274219][  T157]  copy_net_ns (net/core/net_namespace.c:579)
[    8.274407][  T157]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.274589][  T157]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.274768][  T157]  ksys_unshare (kernel/fork.c:3243)
[    8.274965][  T157]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.275145][  T157]  ? __ia32_sys_open (fs/open.c:1374)
[    8.275335][  T157]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.275515][  T157]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.275697][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.275888][  T157]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.276069][  T157]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.276257][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.276472][  T157] RIP: 0033:0x7fc1a3c51bcb
[    8.276656][  T157] 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
[    8.277181][  T157] RSP: 002b:00007ffdd56578d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.277437][  T157] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc1a3c51bcb
[    8.277680][  T157] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.277935][  T157] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.278179][  T157] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd5659b00
[    8.278430][  T157] R13: 0000000000000001 R14: 00007fc1a398f6f8 R15: 00007ffdd565a8ce
| [    8.280125][  T157] ---[ end trace 0000000000000000 ]---
| [    8.283498][  T157] ------------[ cut here ]------------
| [    8.283676][  T157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/157
| [    8.284308][  T157] Tainted: [W]=WARN
[    8.284451][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.284657][  T157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.285142][  T157] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.285703][  T157] RSP: 0018:ffa0000000777a98 EFLAGS: 00010286
[    8.285920][  T157] RAX: 00000000ffffffa6 RBX: ff110000094143c0 RCX: 1ff40000000eef19
[    8.286157][  T157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009414478
[    8.286415][  T157] RBP: ff11000008619000 R08: 1fe2200001282890 R09: ff1100000db05180
[    8.286658][  T157] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.286914][  T157] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008619000
[    8.287156][  T157] FS:  00007fc1a398f840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.287451][  T157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.287663][  T157] CR2: 0000000000479648 CR3: 000000000db0f005 CR4: 0000000000771ef0
[    8.287918][  T157] PKRU: 55555554
[    8.288063][  T157] Call Trace:
[    8.288209][  T157]  <TASK>
[    8.288331][  T157]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.288510][  T157]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.288692][  T157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.288853][  T157]  register_netdevice (net/core/dev.c:11488)
[    8.289035][  T157]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.289253][  T157]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.289435][  T157]  register_netdev (net/core/dev.c:11552)
[    8.289612][  T157]  sit_init_net (net/ipv6/sit.c:1860)
[    8.289795][  T157]  ops_init (net/core/net_namespace.c:137)
[    8.289958][  T157]  setup_net (net/core/net_namespace.c:446)
[    8.290106][  T157]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.290293][  T157]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.290472][  T157]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.290654][  T157]  copy_net_ns (net/core/net_namespace.c:579)
[    8.290833][  T157]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.291027][  T157]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.291207][  T157]  ksys_unshare (kernel/fork.c:3243)
[    8.291395][  T157]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.291575][  T157]  ? __ia32_sys_open (fs/open.c:1374)
[    8.291755][  T157]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.291949][  T157]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.292127][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.292311][  T157]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.292491][  T157]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.292674][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.292900][  T157] RIP: 0033:0x7fc1a3c51bcb
[    8.293086][  T157] 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
[    8.293605][  T157] RSP: 002b:00007ffdd56578d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.293861][  T157] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc1a3c51bcb
[    8.294104][  T157] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.294356][  T157] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.294600][  T157] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd5659b00
[    8.294860][  T157] R13: 0000000000000001 R14: 00007fc1a398f6f8 R15: 00007ffdd565a8ce
| [    8.296529][  T157] ---[ end trace 0000000000000000 ]---
| [    8.323309][  T158] ------------[ cut here ]------------
| [    8.323511][  T158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/158
| [    8.324420][  T158] Tainted: [W]=WARN
[    8.324668][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.324984][  T158] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.325298][  T158] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.325898][  T158] RSP: 0018:ffa00000007b7020 EFLAGS: 00010286
[    8.326104][  T158] RAX: 00000000ffffffa6 RBX: ff11000009415540 RCX: 1ff40000000f6dca
[    8.326351][  T158] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094155f8
[    8.326590][  T158] RBP: ff11000009134000 R08: 1fe2200001282ac0 R09: ff1100000d178b58
[    8.326860][  T158] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.327096][  T158] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009134ce1
[    8.327343][  T158] FS:  00007f705179d840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.327613][  T158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.327854][  T158] CR2: 000000000d3fd988 CR3: 000000000dade002 CR4: 0000000000771ef0
[    8.328093][  T158] PKRU: 55555554
[    8.328243][  T158] Call Trace:
[    8.328387][  T158]  <TASK>
[    8.328501][  T158]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.328681][  T158]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.328826][  T158]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.329032][  T158]  __dev_notify_flags (net/core/dev.c:9787)
[    8.329215][  T158]  ? netif_change_name (net/core/dev.c:1495)
[    8.329401][  T158]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.329579][  T158]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.329755][  T158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.329945][  T158]  ? 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))
[    8.330147][  T158]  netif_change_flags (net/core/dev.c:9820)
[    8.330335][  T158]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.330518][  T158]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.330695][  T158]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.330953][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.331135][  T158]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.331324][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.331521][  T158]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.331706][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.331898][  T158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.332075][  T158]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.332258][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.332435][  T158]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.332628][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.332804][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.333000][  T158]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.333186][  T158]  ? __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)
[    8.333375][  T158]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.333556][  T158]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.333738][  T158]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.333952][  T158]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.334136][  T158]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.334327][  T158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.334508][  T158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.334692][  T158]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.334887][  T158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.335084][  T158]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.335272][  T158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.335454][  T158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.335635][  T158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.335815][  T158]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.336012][  T158]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.336192][  T158]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.336411][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.336592][  T158]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.336773][  T158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.336965][  T158]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.337146][  T158]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.337334][  T158]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.337570][  T158]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.337753][  T158]  ? 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))
[    8.337945][  T158]  ? 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))
[    8.338127][  T158]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.338314][  T158]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.338495][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.338676][  T158]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.338888][  T158]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.339073][  T158]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.339265][  T158]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.339447][  T158]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.339625][  T158]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.339849][  T158]  ? move_addr_to_kernel (net/socket.c:258)
[    8.340049][  T158]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.340231][  T158]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.340422][  T158]  ___sys_sendmsg (net/socket.c:2752)
[    8.340613][  T158]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.340824][  T158]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.341027][  T158]  __sys_sendmsg (net/socket.c:2784)
[    8.341227][  T158]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.341413][  T158]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.341628][  T158]  ? 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)
[    8.341810][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.342004][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.342183][  T158]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.342389][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.342570][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.342781][  T158] RIP: 0033:0x7f70519d708e
[    8.342980][  T158] 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
[    8.343517][  T158] RSP: 002b:00007ffc6a2e3cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.343762][  T158] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f70519d708e
[    8.344018][  T158] RDX: 0000000000000000 RSI: 00007ffc6a2e3d80 RDI: 0000000000000005
[    8.344272][  T158] RBP: 00007ffc6a2e3ce0 R08: 0000000000000000 R09: 0000000000000000
[    8.344516][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74e
[    8.344778][  T158] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6a2e4450
| [    8.369657][  T158] ip (158) used greatest stack depth: 23632 bytes left
| [    8.500292][  T162] ------------[ cut here ]------------
| [    8.500540][  T162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/162
| [    8.501329][  T162] Tainted: [W]=WARN
[    8.501485][  T162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.501746][  T162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.502025][  T162] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.502769][  T162] RSP: 0018:ffa00000007e7ab0 EFLAGS: 00010286
[    8.503042][  T162] RAX: 00000000ffffffa6 RBX: ff1100000d8dd540 RCX: 1ff40000000fcf1c
[    8.503329][  T162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d8dd5f8
[    8.503643][  T162] RBP: ff1100000a414000 R08: 1fe2200001b1bac0 R09: ff1100000c88ae80
[    8.503963][  T162] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.504274][  T162] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a414000
[    8.504585][  T162] FS:  00007f6146636840(0000) GS:ff110000a66b0000(0000) knlGS:0000000000000000
[    8.504957][  T162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.505214][  T162] CR2: 00007f61469af493 CR3: 000000000db0b005 CR4: 0000000000771ef0
[    8.505521][  T162] PKRU: 55555554
[    8.505674][  T162] Call Trace:
[    8.505827][  T162]  <TASK>
[    8.505943][  T162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.506154][  T162]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.506367][  T162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.506524][  T162]  register_netdevice (net/core/dev.c:11488)
[    8.506733][  T162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.507003][  T162]  register_netdev (net/core/dev.c:11552)
[    8.507211][  T162]  loopback_net_init (drivers/net/loopback.c:218)
[    8.507425][  T162]  ops_init (net/core/net_namespace.c:137)
[    8.507585][  T162]  setup_net (net/core/net_namespace.c:446)
[    8.507743][  T162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.507960][  T162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.508169][  T162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.508388][  T162]  copy_net_ns (net/core/net_namespace.c:579)
[    8.508591][  T162]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.508799][  T162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.509012][  T162]  ksys_unshare (kernel/fork.c:3243)
[    8.509220][  T162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.509432][  T162]  ? __ia32_sys_open (fs/open.c:1374)
[    8.509641][  T162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.509856][  T162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.510063][  T162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.510273][  T162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.510481][  T162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.510686][  T162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.510949][  T162] RIP: 0033:0x7f61468f8bcb
[    8.511165][  T162] 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
[    8.511916][  T162] RSP: 002b:00007ffe6450e908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.512230][  T162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61468f8bcb
[    8.512540][  T162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.512852][  T162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.513158][  T162] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe64510b30
[    8.513466][  T162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe645128ce
| [    8.515556][  T162] ---[ end trace 0000000000000000 ]---
| [    8.520629][  T162] ------------[ cut here ]------------
| [    8.520856][  T162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/162
| [    8.521632][  T162] Tainted: [W]=WARN
[    8.521788][  T162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.522057][  T162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.522332][  T162] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.523064][  T162] RSP: 0018:ffa00000007e7a98 EFLAGS: 00010286
[    8.523325][  T162] RAX: 00000000ffffffa6 RBX: ff1100000d8dcc80 RCX: 1ff40000000fcf19
[    8.523626][  T162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d8dcd38
[    8.523939][  T162] RBP: ff110000050c1000 R08: 1fe2200001b1b9a8 R09: ff1100000c88ae80
[    8.524249][  T162] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.524556][  T162] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050c1000
[    8.524872][  T162] FS:  00007f6146636840(0000) GS:ff110000a66b0000(0000) knlGS:0000000000000000
[    8.525240][  T162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.525502][  T162] CR2: 00007f61469af493 CR3: 000000000db0b005 CR4: 0000000000771ef0
[    8.525810][  T162] PKRU: 55555554
[    8.525971][  T162] Call Trace:
[    8.526122][  T162]  <TASK>
[    8.526228][  T162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.526436][  T162]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.526641][  T162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.526798][  T162]  register_netdevice (net/core/dev.c:11488)
[    8.527013][  T162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.527278][  T162]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.527486][  T162]  register_netdev (net/core/dev.c:11552)
[    8.527690][  T162]  sit_init_net (net/ipv6/sit.c:1860)
[    8.527905][  T162]  ops_init (net/core/net_namespace.c:137)
[    8.528063][  T162]  setup_net (net/core/net_namespace.c:446)
[    8.528218][  T162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.528424][  T162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.528632][  T162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.528846][  T162]  copy_net_ns (net/core/net_namespace.c:579)
[    8.529054][  T162]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.529269][  T162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.529472][  T162]  ksys_unshare (kernel/fork.c:3243)
[    8.529679][  T162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.529894][  T162]  ? __ia32_sys_open (fs/open.c:1374)
[    8.530107][  T162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.530315][  T162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.530518][  T162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.530718][  T162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.530933][  T162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.531137][  T162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.531395][  T162] RIP: 0033:0x7f61468f8bcb
[    8.531607][  T162] 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
[    8.532352][  T162] RSP: 002b:00007ffe6450e908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.532659][  T162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61468f8bcb
[    8.532972][  T162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.533285][  T162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.533587][  T162] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe64510b30
[    8.533899][  T162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe645128ce
| [    8.535962][  T162] ---[ end trace 0000000000000000 ]---
| [    8.572201][  T163] ------------[ cut here ]------------
| [    8.572414][  T163] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/163
| [    8.573499][  T163] Tainted: [W]=WARN
[    8.573650][  T163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.573880][  T163] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.574103][  T163] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.574626][  T163] RSP: 0018:ffa00000007f7020 EFLAGS: 00010286
[    8.574856][  T163] RAX: 00000000ffffffa6 RBX: ff1100000d8dcac0 RCX: 1ff40000000fedca
[    8.575101][  T163] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d8dcb78
[    8.575357][  T163] RBP: ff1100000a414000 R08: 1fe2200001b1b970 R09: ff1100000c88d158
[    8.575603][  T163] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.575861][  T163] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a414ce1
[    8.576109][  T163] FS:  00007f25895e8840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.576403][  T163] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.576618][  T163] CR2: 0000000002236988 CR3: 000000000d296005 CR4: 0000000000771ef0
[    8.576880][  T163] PKRU: 55555554
[    8.577028][  T163] Call Trace:
[    8.577177][  T163]  <TASK>
[    8.577302][  T163]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.577489][  T163]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.577644][  T163]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.577825][  T163]  __dev_notify_flags (net/core/dev.c:9787)
[    8.578023][  T163]  ? netif_change_name (net/core/dev.c:1495)
[    8.578206][  T163]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.578395][  T163]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.578574][  T163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.578758][  T163]  ? 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))
[    8.578956][  T163]  netif_change_flags (net/core/dev.c:9820)
[    8.579142][  T163]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.579337][  T163]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.579525][  T163]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.579743][  T163]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.579939][  T163]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.580123][  T163]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.580315][  T163]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.580500][  T163]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.580685][  T163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.580881][  T163]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.581066][  T163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.581255][  T163]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.581437][  T163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.581625][  T163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.581811][  T163]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.582009][  T163]  ? __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)
[    8.582194][  T163]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.582384][  T163]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.582569][  T163]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.582754][  T163]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.582954][  T163]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.583142][  T163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.583333][  T163]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.583517][  T163]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.583703][  T163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.583898][  T163]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.584081][  T163]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.584272][  T163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.584460][  T163]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.584649][  T163]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.584832][  T163]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.585029][  T163]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.585212][  T163]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.585404][  T163]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.585590][  T163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.585774][  T163]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.585974][  T163]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.586157][  T163]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.586348][  T163]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.586533][  T163]  ? 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))
[    8.586715][  T163]  ? 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))
[    8.586912][  T163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.587096][  T163]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.587282][  T163]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.587468][  T163]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.587652][  T163]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.587982][  T163]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.588172][  T163]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.588366][  T163]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.588550][  T163]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.588763][  T163]  ? move_addr_to_kernel (net/socket.c:258)
[    8.588959][  T163]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.589142][  T163]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.589336][  T163]  ___sys_sendmsg (net/socket.c:2752)
[    8.589518][  T163]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.589733][  T163]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.589937][  T163]  __sys_sendmsg (net/socket.c:2784)
[    8.590122][  T163]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.590315][  T163]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.590533][  T163]  ? 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)
[    8.590715][  T163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.590912][  T163]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.591095][  T163]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.591281][  T163]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.591466][  T163]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.591682][  T163] RIP: 0033:0x7f258982208e
[    8.591885][  T163] 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
[    8.592415][  T163] RSP: 002b:00007fffc0b0b2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.592667][  T163] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f258982208e
[    8.592930][  T163] RDX: 0000000000000000 RSI: 00007fffc0b0b3a0 RDI: 0000000000000005
[    8.593177][  T163] RBP: 00007fffc0b0b300 R08: 0000000000000000 R09: 0000000000000000
[    8.593434][  T163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    8.593682][  T163] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc0b0ba70
| [    8.595390][  T163] ---[ end trace 0000000000000000 ]---
| [    8.770995][  T168] ------------[ cut here ]------------
| [    8.771218][  T168] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/168
| [    8.771755][  T168] Tainted: [W]=WARN
[    8.771910][  T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.772086][  T168] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.772274][  T168] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.772769][  T168] RSP: 0018:ffa0000000836e20 EFLAGS: 00010286
[    8.772958][  T168] RAX: 00000000ffffffa6 RBX: ff1100000a62b1c0 RCX: 1ff4000000106d8a
[    8.773174][  T168] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a62b278
[    8.773386][  T168] RBP: ff11000005c31000 R08: 1fe22000014c5650 R09: ff1100000d8cae80
[    8.773596][  T168] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.773804][  T168] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009de7884
[    8.774031][  T168] FS:  00007f37d6fcc840(0000) GS:ff110000a6830000(0000) knlGS:0000000000000000
[    8.774279][  T168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.774454][  T168] CR2: 000000000042ebe0 CR3: 000000000dbe9003 CR4: 0000000000771ef0
[    8.774711][  T168] PKRU: 55555554
[    8.774819][  T168] Call Trace:
[    8.774929][  T168]  <TASK>
[    8.775001][  T168]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    8.775142][  T168]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.775286][  T168]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.775390][  T168]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.775530][  T168]  __dev_notify_flags (net/core/dev.c:9787)
[    8.775671][  T168]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.775808][  T168]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    8.775953][  T168]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    8.776091][  T168]  ? netif_change_name (net/core/dev.c:1495)
[    8.776229][  T168]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    8.776408][  T168]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.776549][  T168]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.776687][  T168]  veth_newlink (drivers/net/veth.c:1871)
[    8.776827][  T168]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    8.776970][  T168]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.777110][  T168]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.777248][  T168]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.777398][  T168]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.777536][  T168]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.777676][  T168]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.777814][  T168]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.777958][  T168]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.778098][  T168]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.778242][  T168]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.778383][  T168]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.778521][  T168]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.778664][  T168]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.778806][  T168]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.779002][  T168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.779291][  T168]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.779428][  T168]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.779569][  T168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.779708][  T168]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.779995][  T168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.780133][  T168]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.780367][  T168]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.780505][  T168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.780645][  T168]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.780902][  T168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.781039][  T168]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.781178][  T168]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.781322][  T168]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.781461][  T168]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.781603][  T168]  ? 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))
[    8.781831][  T168]  ? 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))
[    8.781976][  T168]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.782115][  T168]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.782350][  T168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.782580][  T168]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.782724][  T168]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.782869][  T168]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.783103][  T168]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.783249][  T168]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.783389][  T168]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.783563][  T168]  ? move_addr_to_kernel (net/socket.c:258)
[    8.783703][  T168]  ___sys_sendmsg (net/socket.c:2752)
[    8.783844][  T168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.783985][  T168]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.784133][  T168]  __sys_sendmsg (net/socket.c:2784)
[    8.784275][  T168]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.784416][  T168]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.784648][  T168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.784886][  T168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.785025][  T168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.785163][  T168]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.785310][  T168]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.785452][  T168]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.785592][  T168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.785862][  T168] RIP: 0033:0x7f37d720608e
[    8.786106][  T168] 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
[    8.786696][  T168] RSP: 002b:00007ffc74e038a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.786913][  T168] RAX: ffffffffffffffda RBX: 00007ffc74e04038 RCX: 00007f37d720608e
[    8.787121][  T168] RDX: 0000000000000000 RSI: 00007ffc74e03950 RDI: 0000000000000005
[    8.787334][  T168] RBP: 00007ffc74e038b0 R08: 0000000000000000 R09: 0000000000000000
[    8.787727][  T168] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    8.787941][  T168] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc74e04010
| [    8.789533][  T168] ---[ end trace 0000000000000000 ]---
| [    8.797083][  T168] ------------[ cut here ]------------
| [    8.797248][  T168] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/168
| [    8.797766][  T168] Tainted: [W]=WARN
[    8.797876][  T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.798049][  T168] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.798237][  T168] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.798724][  T168] RSP: 0018:ffa00000008371a0 EFLAGS: 00010286
[    8.798906][  T168] RAX: 00000000ffffffa6 RBX: ff1100000d3ca040 RCX: 1ff4000000106dfa
[    8.799112][  T168] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d3ca0f8
[    8.799318][  T168] RBP: ff11000008871000 R08: 1fe2200001a79420 R09: ff1100000d8cae80
[    8.799522][  T168] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.799725][  T168] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.799935][  T168] FS:  00007f37d6fcc840(0000) GS:ff110000a6830000(0000) knlGS:0000000000000000
[    8.800175][  T168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.800352][  T168] CR2: 000000000042ebe0 CR3: 000000000dbe9003 CR4: 0000000000771ef0
[    8.800557][  T168] PKRU: 55555554
[    8.800660][  T168] Call Trace:
[    8.800764][  T168]  <TASK>
[    8.800842][  T168]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.800982][  T168]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.801086][  T168]  __dev_notify_flags (net/core/dev.c:9787)
[    8.801225][  T168]  ? netif_change_name (net/core/dev.c:1495)
[    8.801366][  T168]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.801504][  T168]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.801642][  T168]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.801782][  T168]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.802013][  T168]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.802153][  T168]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.802293][  T168]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.802436][  T168]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.802575][  T168]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.802716][  T168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.802856][  T168]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.802992][  T168]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.803132][  T168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.803280][  T168]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.803418][  T168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.803554][  T168]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.803690][  T168]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.803826][  T168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.803966][  T168]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.804105][  T168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.804245][  T168]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.804385][  T168]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.804521][  T168]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.804657][  T168]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.804795][  T168]  ? 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))
[    8.804938][  T168]  ? 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))
[    8.805077][  T168]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.805214][  T168]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.805353][  T168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.805492][  T168]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.805629][  T168]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.805767][  T168]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.805910][  T168]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.806049][  T168]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.806185][  T168]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.806359][  T168]  ? move_addr_to_kernel (net/socket.c:258)
[    8.806501][  T168]  ___sys_sendmsg (net/socket.c:2752)
[    8.806637][  T168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.806773][  T168]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.806923][  T168]  __sys_sendmsg (net/socket.c:2784)
[    8.807061][  T168]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.807196][  T168]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.807339][  T168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.807479][  T168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.807618][  T168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.807755][  T168]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.807898][  T168]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.808035][  T168]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.808171][  T168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.808345][  T168] RIP: 0033:0x7f37d720608e
[    8.808486][  T168] 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
[    8.808978][  T168] RSP: 002b:00007ffc74e038a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.809183][  T168] RAX: ffffffffffffffda RBX: 00007ffc74e04038 RCX: 00007f37d720608e
[    8.809392][  T168] RDX: 0000000000000000 RSI: 00007ffc74e03950 RDI: 0000000000000005
[    8.809597][  T168] RBP: 00007ffc74e038b0 R08: 0000000000000000 R09: 0000000000000000
[    8.809800][  T168] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    8.810009][  T168] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc74e04010
| [    8.814984][  T168] ip (168) used greatest stack depth: 23336 bytes left
| [    8.857835][  T170] ------------[ cut here ]------------
| [    8.858272][  T170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/170
| [    8.858870][  T170] Tainted: [W]=WARN
[    8.859015][  T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.859225][  T170] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.859456][  T170] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.859986][  T170] RSP: 0018:ffa0000000776ff8 EFLAGS: 00010286
[    8.860198][  T170] RAX: 00000000ffffffa6 RBX: ff1100000d3cb1c0 RCX: 1ff40000000eedc5
[    8.860446][  T170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d3cb278
[    8.860689][  T170] RBP: ff11000008871000 R08: 1fe2200001a79650 R09: ff11000001f65158
[    8.860939][  T170] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.861182][  T170] R13: 0000000000000000 R14: ffa0000000777140 R15: ff1100000d2c8040
[    8.861434][  T170] FS:  00007fc598f16840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.861706][  T170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.861930][  T170] CR2: 0000000020efc988 CR3: 0000000001ddf004 CR4: 0000000000771ef0
[    8.862171][  T170] PKRU: 55555554
[    8.862321][  T170] Call Trace:
[    8.862468][  T170]  <TASK>
[    8.862584][  T170]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    8.862763][  T170]  __dev_change_net_namespace (net/core/dev.c:12635)
[    8.862988][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.863167][  T170]  ? default_device_exit_batch (net/core/dev.c:13091)
[    8.863386][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.863567][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.863743][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.863933][  T170]  ? 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))
[    8.864113][  T170]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.864306][  T170]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    8.864486][  T170]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    8.864665][  T170]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.864860][  T170]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.865071][  T170]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.865254][  T170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.865432][  T170]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.865608][  T170]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.865786][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.865977][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.866157][  T170]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.866345][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.866526][  T170]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.866701][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.866887][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.867065][  T170]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.867249][  T170]  ? __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)
[    8.867428][  T170]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.867606][  T170]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.867785][  T170]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.867978][  T170]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.868159][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.868346][  T170]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.868525][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.868701][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.868887][  T170]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.869066][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.869250][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.869427][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.869605][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.869783][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.869974][  T170]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.870152][  T170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.870336][  T170]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.870513][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.870691][  T170]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.870884][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.871064][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.871248][  T170]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.871427][  T170]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.871604][  T170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.871785][  T170]  ? 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))
[    8.871976][  T170]  ? 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))
[    8.872156][  T170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.872347][  T170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.872524][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.872705][  T170]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.872896][  T170]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.873072][  T170]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.873259][  T170]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.873439][  T170]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.873615][  T170]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.873824][  T170]  ? move_addr_to_kernel (net/socket.c:258)
[    8.874016][  T170]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.874193][  T170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.874380][  T170]  ___sys_sendmsg (net/socket.c:2752)
[    8.874557][  T170]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.874765][  T170]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.874965][  T170]  __sys_sendmsg (net/socket.c:2784)
[    8.875143][  T170]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.875327][  T170]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.875538][  T170]  ? 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)
[    8.875715][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.875910][  T170]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.876087][  T170]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.876272][  T170]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.876455][  T170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.876664][  T170] RIP: 0033:0x7fc59915008e
[    8.876860][  T170] 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
[    8.877370][  T170] RSP: 002b:00007ffdd6d40590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.877616][  T170] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc59915008e
[    8.877868][  T170] RDX: 0000000000000000 RSI: 00007ffdd6d40640 RDI: 0000000000000005
[    8.878105][  T170] RBP: 00007ffdd6d405a0 R08: 0000000000000000 R09: 0000000000000000
[    8.878352][  T170] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    8.878595][  T170] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd6d40d00
| [    8.880258][  T170] ---[ end trace 0000000000000000 ]---
| [    8.881701][  T170] ------------[ cut here ]------------
| [    8.881898][  T170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/170
| [    8.882490][  T170] Tainted: [W]=WARN
[    8.882637][  T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.882860][  T170] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.883081][  T170] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.883599][  T170] RSP: 0018:ffa0000000776fc0 EFLAGS: 00010286
[    8.883811][  T170] RAX: 00000000ffffffa6 RBX: ff1100000d3cbe00 RCX: 1ff40000000eedbe
[    8.884068][  T170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d3cbeb8
[    8.884314][  T170] RBP: ff11000008871000 R08: 1fe2200001a797d8 R09: ff11000001f65158
[    8.884555][  T170] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.884796][  T170] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2c8040
[    8.885056][  T170] FS:  00007fc598f16840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.885340][  T170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.885552][  T170] CR2: 0000000020efc988 CR3: 0000000001ddf004 CR4: 0000000000771ef0
[    8.885796][  T170] PKRU: 55555554
[    8.885952][  T170] Call Trace:
[    8.886098][  T170]  <TASK>
[    8.886213][  T170]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.886401][  T170]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.886582][  T170]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.886730][  T170]  __dev_change_net_namespace (net/core/dev.c:12695)
[    8.886953][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.887135][  T170]  ? default_device_exit_batch (net/core/dev.c:13091)
[    8.887353][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.887537][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.887716][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.887909][  T170]  ? 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))
[    8.888089][  T170]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.888277][  T170]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    8.888457][  T170]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    8.888642][  T170]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.888826][  T170]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.889053][  T170]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.889231][  T170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.889418][  T170]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.889596][  T170]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.889776][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.889970][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.890151][  T170]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.890339][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.890518][  T170]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.890696][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.890887][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.891067][  T170]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.891255][  T170]  ? __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)
[    8.891434][  T170]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.891617][  T170]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.891797][  T170]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.891988][  T170]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.892168][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.892357][  T170]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.892540][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.892719][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.892910][  T170]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.893094][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.893279][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.893458][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.893636][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.893816][  T170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.894009][  T170]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.894189][  T170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.894379][  T170]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.894558][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.894739][  T170]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.894934][  T170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.895114][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.895303][  T170]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.895481][  T170]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.895660][  T170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.895857][  T170]  ? 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))
[    8.896035][  T170]  ? 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))
[    8.896216][  T170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.896404][  T170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.896585][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.896765][  T170]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.896954][  T170]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.897134][  T170]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.897333][  T170]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.897514][  T170]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.897693][  T170]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.897916][  T170]  ? move_addr_to_kernel (net/socket.c:258)
[    8.898104][  T170]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.898289][  T170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.898471][  T170]  ___sys_sendmsg (net/socket.c:2752)
[    8.898653][  T170]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.898877][  T170]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.899065][  T170]  __sys_sendmsg (net/socket.c:2784)
[    8.899253][  T170]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.899435][  T170]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.899649][  T170]  ? 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)
[    8.899833][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.900029][  T170]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.900210][  T170]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.900400][  T170]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.900581][  T170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.900793][  T170] RIP: 0033:0x7fc59915008e
[    8.900991][  T170] 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
[    8.901602][  T170] RSP: 002b:00007ffdd6d40590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.901861][  T170] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc59915008e
[    8.902108][  T170] RDX: 0000000000000000 RSI: 00007ffdd6d40640 RDI: 0000000000000005
[    8.902359][  T170] RBP: 00007ffdd6d405a0 R08: 0000000000000000 R09: 0000000000000000
[    8.902602][  T170] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    8.902942][  T170] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd6d40d00
| [    8.904695][  T170] ---[ end trace 0000000000000000 ]---
| [    8.959026][  T171] ------------[ cut here ]------------
| [    8.959258][  T171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/171
| [    8.959854][  T171] Tainted: [W]=WARN
[    8.959996][  T171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.960221][  T171] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.960447][  T171] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.961026][  T171] RSP: 0018:ffa0000000746ff8 EFLAGS: 00010286
[    8.961259][  T171] RAX: 00000000ffffffa6 RBX: ff11000009332e40 RCX: 1ff40000000e8dc5
[    8.961501][  T171] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009332ef8
[    8.961741][  T171] RBP: ff11000005c31000 R08: 1fe22000012665e0 R09: ff11000002140b58
[    8.961995][  T171] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.962246][  T171] R13: 0000000000000000 R14: ffa0000000747140 R15: ff1100000d2c9b00
[    8.962492][  T171] FS:  00007f56d9368840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.962766][  T171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.962983][  T171] CR2: 00005627dc57ae68 CR3: 000000000c9ad002 CR4: 0000000000771ef0
[    8.963223][  T171] PKRU: 55555554
[    8.963374][  T171] Call Trace:
[    8.963519][  T171]  <TASK>
[    8.963635][  T171]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    8.963813][  T171]  __dev_change_net_namespace (net/core/dev.c:12635)
[    8.964039][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.964222][  T171]  ? default_device_exit_batch (net/core/dev.c:13091)
[    8.964442][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.964621][  T171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.964805][  T171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.964992][  T171]  ? 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))
[    8.965170][  T171]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.965356][  T171]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    8.965533][  T171]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    8.965711][  T171]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.965899][  T171]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.966141][  T171]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.966327][  T171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.966503][  T171]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.966680][  T171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.966868][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.967046][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.967224][  T171]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.967407][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.967582][  T171]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.967757][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.967946][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.968124][  T171]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.968310][  T171]  ? __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)
[    8.968486][  T171]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.968663][  T171]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.968855][  T171]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.969025][  T171]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.969202][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.969426][  T171]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.969604][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.969776][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.969976][  T171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.970154][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.970345][  T171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.970518][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.970706][  T171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.970891][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.971068][  T171]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.971253][  T171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.971427][  T171]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.971598][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.971867][  T171]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.972046][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.972216][  T171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.972397][  T171]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.972651][  T171]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.972826][  T171]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.973013][  T171]  ? 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))
[    8.973187][  T171]  ? 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))
[    8.973450][  T171]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.973706][  T171]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.973891][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.974067][  T171]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.974416][  T171]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.974590][  T171]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.974789][  T171]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.974980][  T171]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.975153][  T171]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.975368][  T171]  ? move_addr_to_kernel (net/socket.c:258)
[    8.975545][  T171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.975723][  T171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.975910][  T171]  ___sys_sendmsg (net/socket.c:2752)
[    8.976082][  T171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.976297][  T171]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.976479][  T171]  __sys_sendmsg (net/socket.c:2784)
[    8.976653][  T171]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.976823][  T171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.977122][  T171]  ? 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)
[    8.977305][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.977559][  T171]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.977813][  T171]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.978002][  T171]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.978178][  T171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.978390][  T171] RIP: 0033:0x7f56d95a208e
[    8.978566][  T171] 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
[    8.979069][  T171] RSP: 002b:00007fff55aa3a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.979315][  T171] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f56d95a208e
[    8.979551][  T171] RDX: 0000000000000000 RSI: 00007fff55aa3af0 RDI: 0000000000000005
[    8.979784][  T171] RBP: 00007fff55aa3a50 R08: 0000000000000000 R09: 0000000000000000
[    8.980031][  T171] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    8.980268][  T171] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff55aa41b0
| [    8.982093][  T171] ---[ end trace 0000000000000000 ]---
| [    8.983447][  T171] ------------[ cut here ]------------
| [    8.983701][  T171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/171
| [    8.984499][  T171] Tainted: [W]=WARN
[    8.984645][  T171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.984866][  T171] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.985087][  T171] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.985607][  T171] RSP: 0018:ffa0000000746fc0 EFLAGS: 00010286
[    8.985822][  T171] RAX: 00000000ffffffa6 RBX: ff1100000f0bd700 RCX: 1ff40000000e8dbe
[    8.986090][  T171] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f0bd7b8
[    8.986361][  T171] RBP: ff11000005c31000 R08: 1fe2200001e17af8 R09: ff11000002140b58
[    8.986610][  T171] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.986865][  T171] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2c9b00
[    8.987114][  T171] FS:  00007f56d9368840(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    8.987399][  T171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.987613][  T171] CR2: 00005627dc57ae68 CR3: 000000000c9ad002 CR4: 0000000000771ef0
[    8.987870][  T171] PKRU: 55555554
[    8.988016][  T171] Call Trace:
[    8.988162][  T171]  <TASK>
[    8.988284][  T171]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.988468][  T171]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.988649][  T171]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.988797][  T171]  __dev_change_net_namespace (net/core/dev.c:12695)
[    8.989020][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.989201][  T171]  ? default_device_exit_batch (net/core/dev.c:13091)
[    8.989414][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.989594][  T171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.989774][  T171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.989968][  T171]  ? 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))
[    8.990147][  T171]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.990335][  T171]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    8.990515][  T171]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    8.990695][  T171]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.990889][  T171]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.991101][  T171]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.991284][  T171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.991462][  T171]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.991640][  T171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.991820][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.992013][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.992192][  T171]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.992384][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.992565][  T171]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.992743][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.992937][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.993117][  T171]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.993304][  T171]  ? __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)
[    8.993484][  T171]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.993664][  T171]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.993857][  T171]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.994037][  T171]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.994222][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.994413][  T171]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.994596][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.994775][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.994968][  T171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.995152][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.995337][  T171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.995519][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.995702][  T171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.995896][  T171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.996077][  T171]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.996264][  T171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.996444][  T171]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.996623][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.996802][  T171]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    8.996996][  T171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.997178][  T171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.997369][  T171]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.997550][  T171]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.997730][  T171]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.997924][  T171]  ? 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))
[    8.998102][  T171]  ? 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))
[    8.998300][  T171]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.998488][  T171]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.998673][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.998866][  T171]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.999047][  T171]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.999227][  T171]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.999422][  T171]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.999602][  T171]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.999785][  T171]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.000008][  T171]  ? move_addr_to_kernel (net/socket.c:258)
[    9.000281][  T171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.000466][  T171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.000648][  T171]  ___sys_sendmsg (net/socket.c:2752)
[    9.000922][  T171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.001224][  T171]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.001432][  T171]  __sys_sendmsg (net/socket.c:2784)
[    9.001698][  T171]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.001888][  T171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.002105][  T171]  ? 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)
[    9.002294][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.002477][  T171]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.002740][  T171]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.002938][  T171]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.003119][  T171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.003341][  T171] RIP: 0033:0x7f56d95a208e
[    9.003616][  T171] 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
[    9.004244][  T171] RSP: 002b:00007fff55aa3a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.004493][  T171] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f56d95a208e
[    9.004737][  T171] RDX: 0000000000000000 RSI: 00007fff55aa3af0 RDI: 0000000000000005
[    9.005082][  T171] RBP: 00007fff55aa3a50 R08: 0000000000000000 R09: 0000000000000000
[    9.005338][  T171] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    9.005589][  T171] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff55aa41b0
| [    9.007540][  T171] ---[ end trace 0000000000000000 ]---
| [    9.056958][  T176] ------------[ cut here ]------------
| [    9.057135][  T176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/176
| [    9.057655][  T176] Tainted: [W]=WARN
[    9.057755][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.057927][  T176] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.058099][  T176] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.058572][  T176] RSP: 0018:ffa0000000777020 EFLAGS: 00010286
[    9.058747][  T176] RAX: 00000000ffffffa6 RBX: ff11000009415000 RCX: 1ff40000000eedca
[    9.058954][  T176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094150b8
[    9.059152][  T176] RBP: ff11000008871000 R08: 1fe2200001282a18 R09: ff11000009430b58
[    9.059352][  T176] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    9.059603][  T176] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008871ce1
[    9.059846][  T176] FS:  00007fdb1c013840(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[    9.060070][  T176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.060231][  T176] CR2: 0000000031711988 CR3: 000000000d947001 CR4: 0000000000771ef0
[    9.060448][  T176] PKRU: 55555554
[    9.060550][  T176] Call Trace:
[    9.060645][  T176]  <TASK>
[    9.060713][  T176]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.060853][  T176]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.060951][  T176]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.061078][  T176]  __dev_notify_flags (net/core/dev.c:9787)
[    9.061211][  T176]  ? netif_change_name (net/core/dev.c:1495)
[    9.061368][  T176]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.061495][  T176]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.061622][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.061751][  T176]  ? 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))
[    9.061952][  T176]  netif_change_flags (net/core/dev.c:9820)
[    9.062105][  T176]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.062271][  T176]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.062404][  T176]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.062572][  T176]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.062698][  T176]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.062917][  T176]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.063132][  T176]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.063272][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.063422][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.063555][  T176]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.063687][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.063818][  T176]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.064011][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.064142][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.064280][  T176]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.064419][  T176]  ? __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)
[    9.064553][  T176]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.064686][  T176]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.064820][  T176]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.065020][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.065155][  T176]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.065292][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.065429][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.065559][  T176]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.065692][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.065823][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.065994][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.066127][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.066264][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.066397][  T176]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.066532][  T176]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.066664][  T176]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.066794][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.066929][  T176]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    9.067061][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.067189][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.067324][  T176]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.067453][  T176]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.067587][  T176]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.067721][  T176]  ? 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))
[    9.067854][  T176]  ? 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))
[    9.067987][  T176]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.068120][  T176]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.068256][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.068386][  T176]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.068523][  T176]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.068657][  T176]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.068791][  T176]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.068928][  T176]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.069060][  T176]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.069222][  T176]  ? move_addr_to_kernel (net/socket.c:258)
[    9.069359][  T176]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.069493][  T176]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.069624][  T176]  ___sys_sendmsg (net/socket.c:2752)
[    9.069754][  T176]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.069923][  T176]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.070064][  T176]  __sys_sendmsg (net/socket.c:2784)
[    9.070201][  T176]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.070333][  T176]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.070496][  T176]  ? 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)
[    9.070632][  T176]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.070763][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.070900][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.071032][  T176]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.071162][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.071296][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.071459][  T176] RIP: 0033:0x7fdb1c24d08e
[    9.071599][  T176] 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
[    9.072071][  T176] RSP: 002b:00007ffcc19429f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.072272][  T176] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdb1c24d08e
[    9.072475][  T176] RDX: 0000000000000000 RSI: 00007ffcc1942aa0 RDI: 0000000000000005
[    9.072672][  T176] RBP: 00007ffcc1942a00 R08: 0000000000000000 R09: 0000000000000000
[    9.072873][  T176] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    9.073069][  T176] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc1943170
| [    9.074407][  T176] ---[ end trace 0000000000000000 ]---
| [    9.134444][  T178] ------------[ cut here ]------------
| [    9.134636][  T178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/178
| [    9.135144][  T178] Tainted: [W]=WARN
[    9.135463][  T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.135652][  T178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.136035][  T178] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.136531][  T178] RSP: 0018:ffa0000000747020 EFLAGS: 00010286
[    9.136697][  T178] RAX: 00000000ffffffa6 RBX: ff1100000d8dcac0 RCX: 1ff40000000e8dca
[    9.136894][  T178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d8dcb78
[    9.137093][  T178] RBP: ff11000005c31000 R08: 1fe2200001b1b970 R09: ff1100000251d158
[    9.137326][  T178] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    9.137548][  T178] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005c31ce1
[    9.137749][  T178] FS:  00007f1c2c63d840(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[    9.137986][  T178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.138149][  T178] CR2: 000000000259f988 CR3: 000000000d946002 CR4: 0000000000771ef0
[    9.138407][  T178] PKRU: 55555554
[    9.138507][  T178] Call Trace:
[    9.138609][  T178]  <TASK>
[    9.138679][  T178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.138811][  T178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.138913][  T178]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.139043][  T178]  __dev_notify_flags (net/core/dev.c:9787)
[    9.139171][  T178]  ? netif_change_name (net/core/dev.c:1495)
[    9.139310][  T178]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.139441][  T178]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.139568][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.139726][  T178]  ? 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))
[    9.139869][  T178]  netif_change_flags (net/core/dev.c:9820)
[    9.140001][  T178]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.140138][  T178]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.140296][  T178]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.140484][  T178]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.140644][  T178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.140793][  T178]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.140948][  T178]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.141080][  T178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.141210][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.141349][  T178]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.141479][  T178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.141627][  T178]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.141760][  T178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.141909][  T178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.142038][  T178]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.142177][  T178]  ? __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)
[    9.142312][  T178]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.142461][  T178]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.142596][  T178]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.142731][  T178]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.142872][  T178]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.143008][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.143143][  T178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.143280][  T178]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.143413][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.143543][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.143673][  T178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.143800][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.143934][  T178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.144078][  T178]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.144229][  T178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.144367][  T178]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.144521][  T178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.144648][  T178]  ? cache_next_page (fs/squashfs/page_actor.c:32)
[    9.144780][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.144914][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.145042][  T178]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.145171][  T178]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    9.145308][  T178]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.145438][  T178]  ? 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))
[    9.145565][  T178]  ? 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))
[    9.145694][  T178]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.145822][  T178]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.145957][  T178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.146087][  T178]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.146216][  T178]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.146390][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.146521][  T178]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.146649][  T178]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.146776][  T178]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.146952][  T178]  ? move_addr_to_kernel (net/socket.c:258)
[    9.147085][  T178]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.147212][  T178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.147348][  T178]  ___sys_sendmsg (net/socket.c:2752)
[    9.147490][  T178]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.147649][  T178]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.147788][  T178]  __sys_sendmsg (net/socket.c:2784)
[    9.147921][  T178]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.148049][  T178]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.148210][  T178]  ? 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)
[    9.148344][  T178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.148472][  T178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.148761][  T178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.148894][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.149023][  T178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.149182][  T178] RIP: 0033:0x7f1c2c87708e
[    9.149322][  T178] 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
[    9.149776][  T178] RSP: 002b:00007ffcdf6e5520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.149976][  T178] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1c2c87708e
[    9.150170][  T178] RDX: 0000000000000000 RSI: 00007ffcdf6e55d0 RDI: 0000000000000005
[    9.150420][  T178] RBP: 00007ffcdf6e5530 R08: 0000000000000000 R09: 0000000000000000
[    9.150650][  T178] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e74f
[    9.150849][  T178] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdf6e5ca0
| [    9.152242][  T178] ---[ end trace 0000000000000000 ]---
| [    9.153573][   T37] ------------[ cut here ]------------
| [    9.153789][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    9.154663][   T37] Tainted: [W]=WARN
[    9.154758][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.154956][   T37] Workqueue: events_unbound linkwatch_event
[    9.155120][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.155281][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.155729][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    9.155887][   T37] RAX: 00000000ffffffa6 RBX: ff1100000d14e740 RCX: 1ff4000000053f02
[    9.156079][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d14e7f8
[    9.156274][   T37] RBP: ff11000005c31000 R08: 1fe2200001a29d00 R09: ff11000001d90ba8
[    9.156464][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    9.156666][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.156851][   T37] FS:  0000000000000000(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[    9.157082][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.157243][   T37] CR2: 00007f1c2c70a574 CR3: 0000000028b49004 CR4: 0000000000771ef0
[    9.157426][   T37] PKRU: 55555554
[    9.157519][   T37] Call Trace:
[    9.157608][   T37]  <TASK>
[    9.157670][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.157794][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.157926][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.158036][   T37]  netif_state_change (net/core/dev.c:1605)
[    9.158157][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.158331][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.158455][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.158574][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.158696][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.158821][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    9.158952][   T37]  process_one_work (kernel/workqueue.c:3314)
[    9.159075][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.159222][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.159353][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.159475][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.159594][   T37]  kthread (kernel/kthread.c:436)
[    9.159684][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.159861][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.160006][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.160128][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.160282][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.160436][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.160556][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.161757][   T37] ---[ end trace 0000000000000000 ]---
| [    9.162746][   T37] ------------[ cut here ]------------
| [    9.162902][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    9.163478][   T37] Tainted: [W]=WARN
[    9.163572][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.163727][   T37] Workqueue: events_unbound linkwatch_event
[    9.164354][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.164533][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.165034][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    9.165231][   T37] RAX: 00000000ffffffa6 RBX: ff1100000b886040 RCX: 1ff4000000053f02
[    9.165430][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b8860f8
[    9.165613][   T37] RBP: ff11000008871000 R08: 1fe2200001710c20 R09: ff11000001d90ba8
[    9.165802][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    9.166050][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.166230][   T37] FS:  0000000000000000(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[    9.166448][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.166606][   T37] CR2: 00007f1c2c70a574 CR3: 0000000028b49004 CR4: 0000000000771ef0
[    9.166787][   T37] PKRU: 55555554
[    9.166932][   T37] Call Trace:
[    9.167024][   T37]  <TASK>
[    9.167087][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.167205][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.167327][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.167423][   T37]  netif_state_change (net/core/dev.c:1605)
[    9.167560][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.167712][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.167919][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.168040][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.168162][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.168285][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    9.168436][   T37]  process_one_work (kernel/workqueue.c:3314)
[    9.168564][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.168682][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.168806][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.168988][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.169131][   T37]  kthread (kernel/kthread.c:436)
[    9.169225][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.169405][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.169527][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.169646][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.169795][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.169974][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.170100][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.171487][   T37] ---[ end trace 0000000000000000 ]---
| [    9.379471][  T185] ------------[ cut here ]------------
| [    9.379724][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: pppd/185
| [    9.380474][  T185] Tainted: [W]=WARN
[    9.380637][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.380867][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.381083][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.381618][  T185] RSP: 0018:ffa0000000857b18 EFLAGS: 00010286
[    9.381870][  T185] RAX: 00000000ffffffa6 RBX: ff11000009318580 RCX: 1ff400000010af29
[    9.382122][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009318638
[    9.382389][  T185] RBP: ff11000008841000 R08: 1fe22000012630c8 R09: ff1100000d17ae80
[    9.382636][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.382889][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008841000
[    9.383166][  T185] FS:  00007f6d4e61cdc0(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    9.383461][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.383698][  T185] CR2: 0000560006ed50e1 CR3: 0000000004ac3003 CR4: 0000000000771ef0
[    9.383957][  T185] PKRU: 55555554
[    9.384132][  T185] Call Trace:
[    9.384287][  T185]  <TASK>
[    9.384412][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.384602][  T185]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.384789][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.384948][  T185]  register_netdevice (net/core/dev.c:11488)
[    9.385125][  T185]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.385331][  T185]  ? ida_free (lib/idr.c:595)
[    9.385491][  T185]  ppp_unit_register (drivers/net/ppp/ppp_generic.c:1213)
[    9.385672][  T185]  ppp_dev_configure (drivers/net/ppp/ppp_generic.c:1274)
[    9.385859][  T185]  ppp_unattached_ioctl.constprop.0 (drivers/net/ppp/ppp_generic.c:3369 drivers/net/ppp/ppp_generic.c:1059)
[    9.386089][  T185]  ? ppp_write (./include/linux/skbuff.h:2943)
[    9.386291][  T185]  ? 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)
[    9.386469][  T185]  ? ppp_ioctl (drivers/net/ppp/ppp_generic.c:726)
[    9.386626][  T185]  ppp_ioctl (drivers/net/ppp/ppp_generic.c:730 (discriminator 1))
[    9.386773][  T185]  ? ppp_connect_channel (drivers/net/ppp/ppp_generic.c:3516)
[    9.386996][  T185]  ? f_getown (fs/fcntl.c:207)
[    9.387147][  T185]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.387346][  T185]  ? __ia32_sys_open (fs/open.c:1374)
[    9.387556][  T185]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[    9.387746][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.387951][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.388128][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.388313][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.388528][  T185] RIP: 0033:0x7f6d4e9ba5fd
[    9.388716][  T185] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[    9.389271][  T185] RSP: 002b:00007fffedace670 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[    9.389527][  T185] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f6d4e9ba5fd
[    9.389776][  T185] RDX: 0000560006edbf70 RSI: 00000000c004743e RDI: 000000000000000d
[    9.390036][  T185] RBP: 00007fffedace6c0 R08: 0000000000000000 R09: 0000000000000000
[    9.390285][  T185] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffedace9b8
[    9.390534][  T185] R13: 000000000000000a R14: 00007f6d4f33a000 R15: 0000560006ec6178
| [    9.392354][  T185] ---[ end trace 0000000000000000 ]---
| [    9.521202][  T186] ------------[ cut here ]------------
| [    9.521451][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: pppd/186
| [    9.522059][  T186] Tainted: [W]=WARN
[    9.522197][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.522405][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.522613][  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
[    9.523104][  T186] RSP: 0018:ffa0000000837b18 EFLAGS: 00010286
[    9.523314][  T186] RAX: 00000000ffffffa6 RBX: ff110000097d43c0 RCX: 1ff4000000106f29
[    9.523549][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097d4478
[    9.523777][  T186] RBP: ff110000053a4000 R08: 1fe22000012fa890 R09: ff1100000d178b80
[    9.524026][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.524263][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000053a4000
[    9.524495][  T186] FS:  00007f282aa8edc0(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[    9.524762][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.524979][  T186] CR2: 00007f282ae7ded0 CR3: 000000000f151004 CR4: 0000000000771ef0
[    9.525213][  T186] PKRU: 55555554
[    9.525360][  T186] Call Trace:
[    9.525500][  T186]  <TASK>
[    9.525610][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.525782][  T186]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.525972][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.526114][  T186]  register_netdevice (net/core/dev.c:11488)
[    9.526298][  T186]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.526520][  T186]  ? ida_free (lib/idr.c:595)
[    9.526665][  T186]  ppp_unit_register (drivers/net/ppp/ppp_generic.c:1213)
[    9.526851][  T186]  ppp_dev_configure (drivers/net/ppp/ppp_generic.c:1274)
[    9.527039][  T186]  ppp_unattached_ioctl.constprop.0 (drivers/net/ppp/ppp_generic.c:3369 drivers/net/ppp/ppp_generic.c:1059)
[    9.527248][  T186]  ? ppp_write (./include/linux/skbuff.h:2943)
[    9.527417][  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)
[    9.527593][  T186]  ? ppp_ioctl (drivers/net/ppp/ppp_generic.c:726)
[    9.527734][  T186]  ppp_ioctl (drivers/net/ppp/ppp_generic.c:730 (discriminator 1))
[    9.527889][  T186]  ? ppp_connect_channel (drivers/net/ppp/ppp_generic.c:3516)
[    9.528058][  T186]  ? f_getown (fs/fcntl.c:207)
[    9.528201][  T186]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.528386][  T186]  ? __ia32_sys_open (fs/open.c:1374)
[    9.528557][  T186]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[    9.528728][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.528942][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.529113][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.529309][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.529510][  T186] RIP: 0033:0x7f282ae2c5fd
[    9.529685][  T186] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[    9.530197][  T186] RSP: 002b:00007ffce803d220 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[    9.530457][  T186] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f282ae2c5fd
[    9.530695][  T186] RDX: 00005590e3779f70 RSI: 00000000c004743e RDI: 000000000000000a
[    9.530943][  T186] RBP: 00007ffce803d270 R08: 0000000000000000 R09: 0000000000000000
[    9.531180][  T186] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce803d568
[    9.531465][  T186] R13: 0000000000000015 R14: 00007f282b7ac000 R15: 00005590e3764178
| [    9.533114][  T186] ---[ end trace 0000000000000000 ]---
| [   12.442244][  T185] ------------[ cut here ]------------
| [   12.442507][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: pppd/185
| [   12.443182][  T185] Tainted: [W]=WARN
[   12.443350][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.443569][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.443806][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.444373][  T185] RSP: 0018:ffa0000000857850 EFLAGS: 00010286
[   12.444594][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c92ce40 RCX: 1ff400000010aed0
[   12.444873][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c92cef8
[   12.445140][  T185] RBP: ff11000008841000 R08: 1fe22000019259e0 R09: ff1100000d17ae58
[   12.445388][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.445640][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   12.445919][  T185] FS:  00007f6d4e61cdc0(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   12.446216][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.446459][  T185] CR2: 00005590e371fb50 CR3: 0000000004ac3003 CR4: 0000000000771ef0
[   12.446726][  T185] PKRU: 55555554
[   12.446888][  T185] Call Trace:
[   12.447054][  T185]  <TASK>
[   12.447176][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.447376][  T185]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.447581][  T185]  notifier_call_chain (kernel/notifier.c:85)
[   12.447779][  T185]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   12.447988][  T185]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   12.448186][  T185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.448398][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.448617][  T185]  netif_set_mtu (net/core/dev.c:9910)
[   12.448806][  T185]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   12.449003][  T185]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   12.449193][  T185]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.449401][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.449594][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.449773][  T185]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.449967][  T185]  dev_set_mtu (net/core/dev_api.c:249)
[   12.450120][  T185]  dev_ifsioc (net/core/dev_ioctl.c:562)
[   12.450317][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.450495][  T185]  ? dev_set_hwtstamp (net/core/dev_ioctl.c:434)
[   12.450673][  T185]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.450866][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.451042][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.451220][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.451407][  T185]  ? dev_load (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/dev_ioctl.c:670 (discriminator 2))
[   12.451555][  T185]  dev_ioctl (net/core/dev_ioctl.c:816)
[   12.451707][  T185]  sock_do_ioctl (net/socket.c:1327)
[   12.451900][  T185]  ? anon_pipe_buf_release (fs/pipe.c:147)
[   12.452079][  T185]  ? __sock_recv_cmsgs (./include/net/sock.h:2867)
[   12.452261][  T185]  ? new_sync_write (fs/read_write.c:595)
[   12.452444][  T185]  ? ioctl_file_clone (fs/ioctl.c:244)
[   12.452624][  T185]  sock_ioctl (net/socket.c:1434)
[   12.452769][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.452967][  T185]  ? sock_do_ioctl (net/socket.c:1333)
[   12.453147][  T185]  ? vfs_write (fs/read_write.c:688)
[   12.453336][  T185]  ? ksys_write (fs/read_write.c:740)
[   12.453516][  T185]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   12.453697][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.453888][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.454069][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.454256][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.454470][  T185] RIP: 0033:0x7f6d4e9ba5fd
[   12.454654][  T185] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   12.455173][  T185] RSP: 002b:00007fffedace6b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   12.455421][  T185] RAX: ffffffffffffffda RBX: 00000000000005d4 RCX: 00007f6d4e9ba5fd
[   12.455666][  T185] RDX: 00007fffedace710 RSI: 0000000000008922 RDI: 0000000000000007
[   12.455919][  T185] RBP: 00007fffedace700 R08: 0000000000000004 R09: 0000000000000030
[   12.456161][  T185] R10: 0000000000000031 R11: 0000000000000246 R12: 0000560006edae20
[   12.456409][  T185] R13: 0000560006ed7a40 R14: 00000000000005d4 R15: 0000560006edaee0
| [   12.458075][  T185] ---[ end trace 0000000000000000 ]---
| [   12.458476][  T186] ------------[ cut here ]------------
| [   12.458690][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: pppd/186
| [   12.459261][  T186] Tainted: [W]=WARN
[   12.459374][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.459547][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.459722][  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
[   12.460227][  T186] RSP: 0018:ffa0000000837850 EFLAGS: 00010286
[   12.460428][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c92d000 RCX: 1ff4000000106ed0
[   12.460634][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c92d0b8
[   12.460885][  T186] RBP: ff110000053a4000 R08: 1fe2200001925a18 R09: ff1100000d178b58
[   12.461094][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.461305][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.461503][  T186] FS:  00007f282aa8edc0(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[   12.461731][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.461902][  T186] CR2: 00007f282ab2b430 CR3: 000000000f151006 CR4: 0000000000771ef0
[   12.462138][  T186] PKRU: 55555554
[   12.462232][  T186] Call Trace:
[   12.462335][  T186]  <TASK>
[   12.462401][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.462533][  T186]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.462664][  T186]  notifier_call_chain (kernel/notifier.c:85)
[   12.462800][  T186]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   12.462937][  T186]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   12.463069][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.463199][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.463333][  T186]  ? print_circular_bug_entry (kernel/locking/lockdep.c:1878)
[   12.463464][  T186]  netif_set_mtu (net/core/dev.c:9910)
[   12.463593][  T186]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   12.463724][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.463855][  T186]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   12.464015][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.464144][  T186]  dev_set_mtu (net/core/dev_api.c:249)
[   12.464243][  T186]  dev_ifsioc (net/core/dev_ioctl.c:562)
[   12.464379][  T186]  ? dev_set_hwtstamp (net/core/dev_ioctl.c:434)
[   12.464509][  T186]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.464641][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.464772][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.464908][  T186]  ? dev_load (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/dev_ioctl.c:670 (discriminator 2))
[   12.465008][  T186]  dev_ioctl (net/core/dev_ioctl.c:816)
[   12.465107][  T186]  sock_do_ioctl (net/socket.c:1327)
[   12.465236][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   12.465400][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.465560][  T186]  ? __sock_recv_cmsgs (./include/net/sock.h:2867)
[   12.465690][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.465818][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.465953][  T186]  ? ioctl_file_clone (fs/ioctl.c:244)
[   12.466084][  T186]  sock_ioctl (net/socket.c:1434)
[   12.466181][  T186]  ? sock_do_ioctl (net/socket.c:1333)
[   12.466315][  T186]  ? vfs_write (./include/linux/fsnotify.h:96 ./include/linux/fsnotify.h:113 ./include/linux/fsnotify.h:127 ./include/linux/fsnotify.h:116 ./include/linux/fsnotify.h:433 fs/read_write.c:692)
[   12.466443][  T186]  ? vfs_write (./include/linux/fsnotify.h:96 ./include/linux/fsnotify.h:113 ./include/linux/fsnotify.h:127 ./include/linux/fsnotify.h:116 ./include/linux/fsnotify.h:433 fs/read_write.c:692)
[   12.466572][  T186]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[   12.466703][  T186]  ? ksys_write (fs/read_write.c:740)
[   12.466834][  T186]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   12.466971][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.467101][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.467230][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.467363][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.467523][  T186] RIP: 0033:0x7f282ae2c5fd
[   12.467657][  T186] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   12.468126][  T186] RSP: 002b:00007ffce803d200 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   12.468326][  T186] RAX: ffffffffffffffda RBX: 00000000000005d4 RCX: 00007f282ae2c5fd
[   12.468520][  T186] RDX: 00007ffce803d260 RSI: 0000000000008922 RDI: 0000000000000004
[   12.468712][  T186] RBP: 00007ffce803d250 R08: 0000000000000004 R09: 0000000000000030
[   12.468910][  T186] R10: 0000000000000031 R11: 0000000000000246 R12: 00005590e3778e20
[   12.469103][  T186] R13: 00005590e3775a40 R14: 00000000000005d4 R15: 00005590e3778ee0
| [   12.470418][  T186] ---[ end trace 0000000000000000 ]---
| [   12.473519][  T186] ------------[ cut here ]------------
| [   12.473673][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: pppd/186
| [   12.474236][  T186] Tainted: [W]=WARN
[   12.474342][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.474513][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.474689][  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
[   12.475185][  T186] RSP: 0018:ffa0000000837850 EFLAGS: 00010286
[   12.475367][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b92b8c0 RCX: 1ff4000000106ed0
[   12.475586][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b92b978
[   12.475784][  T186] RBP: ff110000053a4000 R08: 1fe2200001725730 R09: ff1100000d178b58
[   12.476004][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   12.476208][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005874640
[   12.476414][  T186] FS:  00007f282aa8edc0(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[   12.476643][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.476816][  T186] CR2: 00007f282ab2b430 CR3: 000000000f151006 CR4: 0000000000771ef0
[   12.477039][  T186] PKRU: 55555554
[   12.477142][  T186] Call Trace:
[   12.477255][  T186]  <TASK>
[   12.477323][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.477467][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.477565][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.477698][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   12.477850][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   12.477987][  T186]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.478118][  T186]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.478252][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.478388][  T186]  netif_change_flags (net/core/dev.c:9820)
[   12.478526][  T186]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.478657][  T186]  dev_change_flags (net/core/dev_api.c:68)
[   12.478798][  T186]  devinet_ioctl (net/ipv4/devinet.c:1199)
[   12.478949][  T186]  ? inet_ifa_byprefix (net/ipv4/devinet.c:619 (discriminator 9))
[   12.479080][  T186]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.479243][  T186]  inet_ioctl (net/ipv4/af_inet.c:1011)
[   12.479360][  T186]  ? inet_dgram_connect (net/ipv4/af_inet.c:589)
[   12.479491][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.479635][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.479766][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.479906][  T186]  sock_do_ioctl (net/socket.c:1313)
[   12.480046][  T186]  ? __sock_recv_cmsgs (./include/net/sock.h:2867)
[   12.480175][  T186]  ? ppp_push (./include/linux/skbuff.h:2529)
[   12.480280][  T186]  ? ioctl_file_clone (fs/ioctl.c:244)
[   12.480413][  T186]  sock_ioctl (net/socket.c:1434)
[   12.480512][  T186]  ? sock_do_ioctl (net/socket.c:1333)
[   12.480655][  T186]  ? vfs_read (./include/linux/fsnotify.h:96 ./include/linux/fsnotify.h:113 ./include/linux/fsnotify.h:127 ./include/linux/fsnotify.h:116 ./include/linux/fsnotify.h:425 fs/read_write.c:578)
[   12.480761][  T186]  ? vfs_read (./include/linux/fsnotify.h:96 ./include/linux/fsnotify.h:113 ./include/linux/fsnotify.h:127 ./include/linux/fsnotify.h:116 ./include/linux/fsnotify.h:425 fs/read_write.c:578)
[   12.480933][  T186]  ? ksys_read (fs/read_write.c:717)
[   12.481070][  T186]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   12.481211][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.481352][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.481487][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.481618][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.481796][  T186] RIP: 0033:0x7f282ae2c5fd
[   12.481996][  T186] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   12.482474][  T186] RSP: 002b:00007ffce803d260 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   12.482680][  T186] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f282ae2c5fd
[   12.482943][  T186] RDX: 00007ffce803d2c0 RSI: 0000000000008914 RDI: 0000000000000004
[   12.483197][  T186] RBP: 00007ffce803d2b0 R08: 0000000000000004 R09: 00005590f7281230
[   12.483406][  T186] R10: 00005590e375c350 R11: 0000000000000246 R12: 00005590e376aea0
[   12.483612][  T186] R13: 00005590e376af40 R14: 00005590e37bede0 R15: 00005590e37bee20
| [   12.485103][  T186] ---[ end trace 0000000000000000 ]---
| [   12.490197][  T185] ------------[ cut here ]------------
| [   12.490405][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: pppd/185
| [   12.491084][  T185] Tainted: [W]=WARN
[   12.491243][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.491461][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.491678][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.492218][  T185] RSP: 0018:ffa0000000857850 EFLAGS: 00010286
[   12.492441][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b92be00 RCX: 1ff400000010aed0
[   12.492739][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b92beb8
[   12.493007][  T185] RBP: ff11000008841000 R08: 1fe22000017257d8 R09: ff1100000d17ae58
[   12.493271][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.493536][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058734c0
[   12.493788][  T185] FS:  00007f6d4e61cdc0(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   12.494088][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.494335][  T185] CR2: 00005590e371fb50 CR3: 0000000004ac3003 CR4: 0000000000771ef0
[   12.494591][  T185] PKRU: 55555554
[   12.494745][  T185] Call Trace:
[   12.494902][  T185]  <TASK>
[   12.495016][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.495203][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.495357][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.495545][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   12.495742][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   12.495956][  T185]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.496153][  T185]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.496349][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.496549][  T185]  netif_change_flags (net/core/dev.c:9820)
[   12.496742][  T185]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.496941][  T185]  dev_change_flags (net/core/dev_api.c:68)
[   12.497121][  T185]  devinet_ioctl (net/ipv4/devinet.c:1199)
[   12.497315][  T185]  ? inet_ifa_byprefix (net/ipv4/devinet.c:619 (discriminator 9))
[   12.497508][  T185]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.497705][  T185]  inet_ioctl (net/ipv4/af_inet.c:1011)
[   12.497874][  T185]  ? inet_dgram_connect (net/ipv4/af_inet.c:589)
[   12.498062][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.498269][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.498462][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.498639][  T185]  sock_do_ioctl (net/socket.c:1313)
[   12.498826][  T185]  ? anon_pipe_buf_release (fs/pipe.c:147)
[   12.499031][  T185]  ? __sock_recv_cmsgs (./include/net/sock.h:2867)
[   12.499216][  T185]  ? new_sync_write (fs/read_write.c:595)
[   12.499401][  T185]  ? ioctl_file_clone (fs/ioctl.c:244)
[   12.499580][  T185]  sock_ioctl (net/socket.c:1434)
[   12.499725][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.499924][  T185]  ? sock_do_ioctl (net/socket.c:1333)
[   12.500122][  T185]  ? vfs_write (fs/read_write.c:688)
[   12.500318][  T185]  ? ksys_write (fs/read_write.c:740)
[   12.500510][  T185]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   12.500690][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.500879][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.501062][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.501256][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.501482][  T185] RIP: 0033:0x7f6d4e9ba5fd
[   12.501680][  T185] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   12.502210][  T185] RSP: 002b:00007fffedace6b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   12.502455][  T185] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6d4e9ba5fd
[   12.502708][  T185] RDX: 00007fffedace710 RSI: 0000000000008914 RDI: 0000000000000007
[   12.502981][  T185] RBP: 00007fffedace700 R08: 0000000000000004 R09: 0000560029a22230
[   12.503231][  T185] R10: 0000560006ebe350 R11: 0000000000000246 R12: 0000560006eccea0
[   12.503488][  T185] R13: 0000560006eccf40 R14: 0000560006f20de0 R15: 0000560006f20e20
| [   26.934051][  T523] iperf3 (523) used greatest stack depth: 23304 bytes left
| [   27.022483][  T186] ------------[ cut here ]------------
| [   27.022697][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: pppd/186
| [   27.023596][  T186] Tainted: [W]=WARN
[   27.023754][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.023973][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.024191][  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
[   27.024708][  T186] RSP: 0018:ffa0000000837850 EFLAGS: 00010286
[   27.024931][  T186] RAX: 00000000ffffffa6 RBX: ff11000009d97700 RCX: 1ff4000000106ed0
[   27.025173][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009d977b8
[   27.025420][  T186] RBP: ff110000053a4000 R08: 1fe22000013b2ef8 R09: ff1100000d178b58
[   27.025663][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   27.025914][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005874640
[   27.026161][  T186] FS:  00007f282aa8edc0(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.026446][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.026658][  T186] CR2: 00005590f727e438 CR3: 000000000f151001 CR4: 0000000000771ef0
[   27.026914][  T186] PKRU: 55555554
[   27.027059][  T186] Call Trace:
[   27.027206][  T186]  <TASK>
[   27.027327][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.027510][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.027659][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.027853][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   27.028035][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   27.028216][  T186]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.028406][  T186]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.028586][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.028767][  T186]  netif_change_flags (net/core/dev.c:9820)
[   27.028955][  T186]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.029143][  T186]  dev_change_flags (net/core/dev_api.c:68)
[   27.029328][  T186]  devinet_ioctl (net/ipv4/devinet.c:1199)
[   27.029513][  T186]  ? inet_ifa_byprefix (net/ipv4/devinet.c:619 (discriminator 9))
[   27.029691][  T186]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   27.029883][  T186]  inet_ioctl (net/ipv4/af_inet.c:1011)
[   27.030032][  T186]  ? inet_dgram_connect (net/ipv4/af_inet.c:589)
[   27.030211][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.030403][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.030583][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.030761][  T186]  sock_do_ioctl (net/socket.c:1313)
[   27.030953][  T186]  ? __sock_recv_cmsgs (./include/net/sock.h:2867)
[   27.031131][  T186]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1007)
[   27.031322][  T186]  ? ioctl_file_clone (fs/ioctl.c:244)
[   27.031591][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.031773][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.031968][  T186]  sock_ioctl (net/socket.c:1434)
[   27.032115][  T186]  ? ppp_ioctl (drivers/net/ppp/ppp_generic.c:966)
[   27.032304][  T186]  ? sock_do_ioctl (net/socket.c:1333)
[   27.032483][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.032662][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   27.032858][  T186]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   27.033041][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.033223][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.033415][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.033597][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.033811][  T186] RIP: 0033:0x7f282ae2c5fd
[   27.034008][  T186] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   27.034528][  T186] RSP: 002b:00007ffce803d190 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   27.034774][  T186] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f282ae2c5fd
[   27.035029][  T186] RDX: 00007ffce803d1f0 RSI: 0000000000008914 RDI: 0000000000000004
[   27.035271][  T186] RBP: 00007ffce803d1e0 R08: 0000000000000004 R09: 0000000000000020
[   27.035608][  T186] R10: 0000000000000021 R11: 0000000000000246 R12: 00005590e376aea0
[   27.035868][  T186] R13: 0000000000000000 R14: 00007f282b7ac000 R15: 00005590e3764178
| [   27.037562][  T186] ---[ end trace 0000000000000000 ]---
| [   27.040277][  T187] ------------[ cut here ]------------
| [   27.040428][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: pppd/187
| [   27.041186][  T187] Tainted: [W]=WARN
[   27.041285][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.041454][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.041623][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.042271][  T187] RSP: 0018:ffa00000008a7850 EFLAGS: 00010286
[   27.042443][  T187] RAX: 00000000ffffffa6 RBX: ff11000008fd9c40 RCX: 1ff4000000114ed0
[   27.042641][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fd9cf8
[   27.042944][  T187] RBP: ff11000008841000 R08: 1fe22000011fb3a0 R09: ff11000001f45158
[   27.043142][  T187] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   27.043341][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058734c0
[   27.043621][  T187] FS:  00007f6d4e61cdc0(0000) GS:ff110000a6830000(0000) knlGS:0000000000000000
[   27.043934][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.044100][  T187] CR2: 0000560029a1f440 CR3: 000000000bbdc003 CR4: 0000000000771ef0
[   27.044300][  T187] PKRU: 55555554
[   27.044398][  T187] Call Trace:
[   27.044495][  T187]  <TASK>
[   27.044644][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.044775][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.044959][  T187]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.045092][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   27.045223][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   27.045360][  T187]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.045491][  T187]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.045623][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.045753][  T187]  netif_change_flags (net/core/dev.c:9820)
[   27.046053][  T187]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.046186][  T187]  dev_change_flags (net/core/dev_api.c:68)
[   27.046321][  T187]  devinet_ioctl (net/ipv4/devinet.c:1199)
[   27.046454][  T187]  ? inet_ifa_byprefix (net/ipv4/devinet.c:619 (discriminator 9))
[   27.046583][  T187]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   27.046717][  T187]  inet_ioctl (net/ipv4/af_inet.c:1011)
[   27.046819][  T187]  ? inet_dgram_connect (net/ipv4/af_inet.c:589)
[   27.047044][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.047179][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.047316][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.047446][  T187]  sock_do_ioctl (net/socket.c:1313)
[   27.047576][  T187]  ? __sock_recv_cmsgs (./include/net/sock.h:2867)
[   27.047786][  T187]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1007)
[   27.048006][  T187]  ? ioctl_file_clone (fs/ioctl.c:244)
[   27.048137][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.048268][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.048401][  T187]  sock_ioctl (net/socket.c:1434)
[   27.048499][  T187]  ? ppp_ioctl (drivers/net/ppp/ppp_generic.c:966)
[   27.048631][  T187]  ? sock_do_ioctl (net/socket.c:1333)
[   27.048762][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.048976][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   27.049108][  T187]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   27.049241][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.049376][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.049508][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.049641][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.049805][  T187] RIP: 0033:0x7f6d4e9ba5fd
[   27.050041][  T187] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   27.050517][  T187] RSP: 002b:00007fffedace620 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   27.051154][  T187] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d4e9ba5fd
[   27.051356][  T187] RDX: 00007fffedace680 RSI: 0000000000008914 RDI: 0000000000000007
[   27.051552][  T187] RBP: 00007fffedace670 R08: 0000000000000004 R09: 0000000000000020
[   27.051830][  T187] R10: 0000000000000021 R11: 0000000000000246 R12: 0000560006eccea0
[   27.052132][  T187] R13: 0000000000000000 R14: 00007f6d4f33a000 R15: 0000560006ec6178
| [   27.053632][  T187] ---[ end trace 0000000000000000 ]---
| [   27.067640][  T187] ------------[ cut here ]------------
| [   27.067784][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: pppd/187
| [   27.068726][  T187] Tainted: [W]=WARN
[   27.068817][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.069016][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.069195][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.069693][  T187] RSP: 0018:ffa00000008a7bc0 EFLAGS: 00010286
[   27.069899][  T187] RAX: 00000000ffffffa6 RBX: ff11000008fd8740 RCX: 1ff4000000114f3e
[   27.070091][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fd87f8
[   27.070277][  T187] RBP: ff11000008841000 R08: 1fe22000011fb100 R09: ff11000001f45158
[   27.070457][  T187] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.070637][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.070817][  T187] FS:  00007f6d4e61cdc0(0000) GS:ff110000a6830000(0000) knlGS:0000000000000000
[   27.071119][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.071281][  T187] CR2: 0000560006ec703c CR3: 000000000bbdc003 CR4: 0000000000771ef0
[   27.071473][  T187] PKRU: 55555554
[   27.071567][  T187] Call Trace:
[   27.071662][  T187]  <TASK>
[   27.071727][  T187]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.071934][  T187]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.072090][  T187]  ? ppp_release (drivers/net/ppp/ppp_generic.c:413)
[   27.072217][  T187]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   27.072347][  T187]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   27.072473][  T187]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.072599][  T187]  ppp_release (./include/linux/netdevice.h:3455 drivers/net/ppp/ppp_generic.c:415)
[   27.072723][  T187]  __fput (fs/file_table.c:510)
[   27.072820][  T187]  fput_close_sync (fs/file_table.c:615)
[   27.072992][  T187]  ? alloc_file_clone (fs/file_table.c:477)
[   27.073118][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.073248][  T187]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   27.073375][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.073500][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.073626][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.073751][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.073955][  T187] RIP: 0033:0x7f6d4e93708e
[   27.074084][  T187] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.074530][  T187] RSP: 002b:00007fffedace730 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   27.074717][  T187] RAX: ffffffffffffffda RBX: 0000560006ed7a40 RCX: 00007f6d4e93708e
[   27.074943][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000d
[   27.075131][  T187] RBP: 00007fffedace740 R08: 0000000000000000 R09: 0000000000000000
[   27.075316][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   27.075501][  T187] R13: 000000000000000a R14: 00007f6d4f33a000 R15: 0000560006ec6178
| [   27.076743][  T187] ---[ end trace 0000000000000000 ]---
| [   27.090719][  T186] ------------[ cut here ]------------
| [   27.090869][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: pppd/186
| [   27.091378][  T186] Tainted: [W]=WARN
[   27.091471][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.091625][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.091789][  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
[   27.092277][  T186] RSP: 0018:ffa0000000837bc0 EFLAGS: 00010286
[   27.092438][  T186] RAX: 00000000ffffffa6 RBX: ff1100000d121380 RCX: 1ff4000000106f3e
[   27.092621][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d121438
[   27.092804][  T186] RBP: ff110000053a4000 R08: 1fe2200001a24288 R09: ff1100000d178b58
[   27.092994][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.093175][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.093367][  T186] FS:  00007f282aa8edc0(0000) GS:ff110000a6830000(0000) knlGS:0000000000000000
[   27.093585][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.093739][  T186] CR2: 00007f09eeac2fa0 CR3: 000000000f151002 CR4: 0000000000771ef0
[   27.093927][  T186] PKRU: 55555554
[   27.094019][  T186] Call Trace:
[   27.094111][  T186]  <TASK>
[   27.094175][  T186]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.094336][  T186]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.094492][  T186]  ? ppp_release (drivers/net/ppp/ppp_generic.c:413)
[   27.094617][  T186]  ? wp_page_reuse (./include/linux/rcupdate.h:871 ./include/linux/pgtable.h:117 mm/memory.c:3784)
[   27.094743][  T186]  ? do_wp_page (mm/memory.c:4322)
[   27.094874][  T186]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   27.094999][  T186]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.095122][  T186]  ppp_release (./include/linux/netdevice.h:3455 drivers/net/ppp/ppp_generic.c:415)
[   27.095244][  T186]  __fput (fs/file_table.c:510)
[   27.095345][  T186]  fput_close_sync (fs/file_table.c:615)
[   27.095472][  T186]  ? alloc_file_clone (fs/file_table.c:477)
[   27.095595][  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)
[   27.095720][  T186]  __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[   27.095850][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.095974][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.096098][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.096223][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.096380][  T186] RIP: 0033:0x7f282ada908e
[   27.096509][  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
[   27.096953][  T186] RSP: 002b:00007ffce803d2e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   27.097143][  T186] RAX: ffffffffffffffda RBX: 00005590e3775a40 RCX: 00007f282ada908e
[   27.097336][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a
[   27.097520][  T186] RBP: 00007ffce803d2f0 R08: 0000000000000000 R09: 0000000000000000
[   27.097704][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   27.097894][  T186] R13: 0000000000000015 R14: 00007f282b7ac000 R15: 00005590e3764178
| [   27.099138][  T186] ---[ end trace 0000000000000000 ]---
| [   27.141436][   T69] ------------[ cut here ]------------
| [   27.141665][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/69
| [   27.142374][   T69] Tainted: [W]=WARN
[   27.142467][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.142620][   T69] Workqueue: netns cleanup_net
[   27.142749][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.142981][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.143420][   T69] RSP: 0018:ffa00000004a7938 EFLAGS: 00010286
[   27.143566][   T69] RAX: 00000000ffffffa6 RBX: ff1100000f29f700 RCX: 1ff4000000094eed
[   27.143740][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f29f7b8
[   27.143971][   T69] RBP: ff11000008619000 R08: 1fe2200001e53ef8 R09: ff11000008add1d0
[   27.144159][   T69] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   27.144340][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.144515][   T69] FS:  0000000000000000(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[   27.144733][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.144937][   T69] CR2: 0000560763c32d5c CR3: 000000000a5d6006 CR4: 0000000000771ef0
[   27.145166][   T69] PKRU: 55555554
[   27.145257][   T69] Call Trace:
[   27.145362][   T69]  <TASK>
[   27.145424][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.145584][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.145734][   T69]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.145904][   T69]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.146027][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.146146][   T69]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.146265][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.146398][   T69]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.146521][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.146637][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.146755][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.146918][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.147038][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.147154][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.147269][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.147395][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.147525][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.147642][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.147773][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.147942][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.148061][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.148176][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.148291][   T69]  kthread (kernel/kthread.c:436)
[   27.148383][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.148541][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.148664][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.148786][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.148981][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.149104][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.149231][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.150436][   T69] ---[ end trace 0000000000000000 ]---
| [   27.165042][   T69] ------------[ cut here ]------------
| [   27.165199][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/69
| [   27.165751][   T69] Tainted: [W]=WARN
[   27.165852][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.166053][   T69] Workqueue: netns cleanup_net
[   27.166188][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.166367][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.166817][   T69] RSP: 0018:ffa00000004a7748 EFLAGS: 00010286
[   27.166985][   T69] RAX: 00000000ffffffa6 RBX: ff110000028a18c0 RCX: 1ff4000000094eaf
[   27.167175][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028a1978
[   27.167369][   T69] RBP: ff11000008871000 R08: 1fe2200000514330 R09: ff11000008add1d0
[   27.167560][   T69] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   27.167751][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005c31000
[   27.167947][   T69] FS:  0000000000000000(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[   27.168170][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.168336][   T69] CR2: 0000560763c32d5c CR3: 000000000a5d6006 CR4: 0000000000771ef0
[   27.168525][   T69] PKRU: 55555554
[   27.168620][   T69] Call Trace:
[   27.168716][   T69]  <TASK>
[   27.168783][   T69]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.168920][   T69]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.169017][   T69]  netif_close_many (net/core/dev.c:1804)
[   27.169146][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.169272][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.169404][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.169530][   T69]  ? __dev_close_many (net/core/dev.c:1781)
[   27.169658][   T69]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.169818][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.169984][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.170112][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.170269][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.170446][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.170592][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.170753][   T69]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.170891][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.171029][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.171157][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.171287][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.171423][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.171549][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.171677][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.171805][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.171938][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.172066][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.172194][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.172326][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.172457][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.172584][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.172714][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.172850][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.172977][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.173105][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.173233][   T69]  kthread (kernel/kthread.c:436)
[   27.173333][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.173490][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.173618][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.173746][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.173963][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.174093][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.174218][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.175531][   T69] ---[ end trace 0000000000000000 ]---
| [   27.177461][   T69] ------------[ cut here ]------------
| [   27.177608][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/69
| [   27.178158][   T69] Tainted: [W]=WARN
[   27.178256][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.178424][   T69] Workqueue: netns cleanup_net
[   27.178557][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.178724][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.179187][   T69] RSP: 0018:ffa00000004a7748 EFLAGS: 00010286
[   27.179356][   T69] RAX: 00000000ffffffa6 RBX: ff1100000da16e40 RCX: 1ff4000000094eaf
[   27.179596][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000da16ef8
[   27.179803][   T69] RBP: ff11000005c31000 R08: 1fe2200001b42de0 R09: ff11000008add1d0
[   27.180006][   T69] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   27.180198][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009134000
[   27.180394][   T69] FS:  0000000000000000(0000) GS:ff110000a6730000(0000) knlGS:0000000000000000
[   27.180616][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.180774][   T69] CR2: 0000560763c32d5c CR3: 0000000028b49002 CR4: 0000000000771ef0
[   27.180972][   T69] PKRU: 55555554
[   27.181068][   T69] Call Trace:
[   27.181162][   T69]  <TASK>
[   27.181228][   T69]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.181365][   T69]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.181493][   T69]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.181588][   T69]  netif_close_many (net/core/dev.c:1804)
[   27.181714][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.181847][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.181974][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.182099][   T69]  ? __dev_close_many (net/core/dev.c:1781)
[   27.182226][   T69]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.182389][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.182548][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.182675][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.182833][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.182965][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.183112][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.183280][   T69]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.183413][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.183541][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.183669][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.183799][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.183987][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.184113][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.184240][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.184370][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.184496][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.184624][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.184752][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.184931][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.185060][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.185185][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.185317][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.185445][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.185591][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.185719][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.185893][   T69]  kthread (kernel/kthread.c:436)
[   27.185985][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.186187][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.186316][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.186443][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.186601][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.186728][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.186908][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.188161][   T69] ---[ end trace 0000000000000000 ]---
| [   27.189556][   T69] ------------[ cut here ]------------
| [   27.189729][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [   27.190389][   T69] Tainted: [W]=WARN
[   27.190530][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.190734][   T69] Workqueue: netns cleanup_net
[   27.190928][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.191143][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.191657][   T69] RSP: 0018:ffa00000004a7748 EFLAGS: 00010286
[   27.191880][   T69] RAX: 00000000ffffffa6 RBX: ff1100000da16ac0 RCX: 1ff4000000094eaf
[   27.192116][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000da16b78
[   27.192359][   T69] RBP: ff11000009134000 R08: 1fe2200001b42d70 R09: ff11000008add1d0
[   27.192623][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.192871][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004a77e0
[   27.193113][   T69] FS:  0000000000000000(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.193391][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.193600][   T69] CR2: 0000560788188f38 CR3: 0000000028b49004 CR4: 0000000000771ef0
[   27.193882][   T69] PKRU: 55555554
[   27.194024][   T69] Call Trace:
[   27.194169][   T69]  <TASK>
[   27.194283][   T69]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.194467][   T69]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.194643][   T69]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.194788][   T69]  netif_close_many (net/core/dev.c:1804)
[   27.194977][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.195151][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.195332][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.195540][   T69]  ? __dev_close_many (net/core/dev.c:1781)
[   27.195717][   T69]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.195937][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.196146][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.196326][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.196532][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.196708][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.196898][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.197104][   T69]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.197281][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.197466][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.197642][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.197822][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.198011][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.198189][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.198371][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.198549][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.198723][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.198914][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.199089][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.199269][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.199456][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.199630][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.199807][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.199995][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.200169][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.200352][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.200529][   T69]  kthread (kernel/kthread.c:436)
[   27.200675][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.200888][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.201064][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.201244][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.201455][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.201629][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.201803][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.203376][   T69] ---[ end trace 0000000000000000 ]---
| [   27.208677][   T69] ------------[ cut here ]------------
| [   27.208870][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [   27.209499][   T69] Tainted: [W]=WARN
[   27.209637][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.209834][   T69] Workqueue: netns cleanup_net
[   27.210073][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.210279][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.210765][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[   27.210988][   T69] RAX: 00000000ffffffa6 RBX: ff1100000da17380 RCX: 1ff4000000094ed5
[   27.211218][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000da17438
[   27.211456][   T69] RBP: ff11000008871000 R08: 1fe2200001b42e88 R09: ff11000008add1d0
[   27.211683][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.211919][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.212148][   T69] FS:  0000000000000000(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.212417][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.212616][   T69] CR2: 0000560788188f38 CR3: 0000000028b49004 CR4: 0000000000771ef0
[   27.212857][   T69] PKRU: 55555554
[   27.212993][   T69] Call Trace:
[   27.213132][   T69]  <TASK>
[   27.213238][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.213450][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.213651][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.213862][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.214032][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.214237][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.214416][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.214584][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.214755][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.214940][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.215107][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.215279][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.215456][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.215626][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.215798][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.215978][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.216151][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.216334][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.216534][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.216709][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.216891][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.217059][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.217228][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.217406][   T69]  kthread (kernel/kthread.c:436)
[   27.217546][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.217745][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.217927][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.218096][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.218303][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.218473][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.218646][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.220155][   T69] ---[ end trace 0000000000000000 ]---
| [   27.221449][   T69] ------------[ cut here ]------------
| [   27.221616][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [   27.222237][   T69] Tainted: [W]=WARN
[   27.222383][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.222583][   T69] Workqueue: netns cleanup_net
[   27.222771][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.222993][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.223475][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[   27.223676][   T69] RAX: 00000000ffffffa6 RBX: ff1100000da16740 RCX: 1ff4000000094ed5
[   27.223916][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000da167f8
[   27.224145][   T69] RBP: ff11000005c31000 R08: 1fe2200001b42d00 R09: ff11000008add1d0
[   27.224379][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.224609][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.224856][   T69] FS:  0000000000000000(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.225117][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.225325][   T69] CR2: 0000560788188f38 CR3: 0000000028b49004 CR4: 0000000000771ef0
[   27.225555][   T69] PKRU: 55555554
[   27.225694][   T69] Call Trace:
[   27.225831][   T69]  <TASK>
[   27.225954][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.226161][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.226366][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.226538][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.226708][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.226924][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.227096][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.227268][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.227452][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.227626][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.227796][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.227982][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.228154][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.228331][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.228505][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.228675][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.228858][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.229031][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.229199][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.229380][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.229551][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.229720][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.229909][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.230080][   T69]  kthread (kernel/kthread.c:436)
[   27.230219][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.230425][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.230595][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.230766][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.230979][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.231182][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.231360][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.232916][   T69] ---[ end trace 0000000000000000 ]---
| [   27.234431][   T69] ------------[ cut here ]------------
| [   27.234599][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [   27.235223][   T69] Tainted: [W]=WARN
[   27.235369][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.235568][   T69] Workqueue: netns cleanup_net
[   27.235774][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.235994][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.236482][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[   27.236686][   T69] RAX: 00000000ffffffa6 RBX: ff11000009386c80 RCX: 1ff4000000094ed5
[   27.236927][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009386d38
[   27.237157][   T69] RBP: ff11000009134000 R08: 1fe2200001270da8 R09: ff11000008add1d0
[   27.237389][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.237619][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.237889][   T69] FS:  0000000000000000(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.238151][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.238359][   T69] CR2: 0000560788188f38 CR3: 0000000028b49004 CR4: 0000000000771ef0
[   27.238592][   T69] PKRU: 55555554
[   27.238730][   T69] Call Trace:
[   27.238880][   T69]  <TASK>
[   27.238992][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.239194][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.239398][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.239569][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.239737][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.240038][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.240210][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.240390][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.240564][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.240811][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.240991][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.241165][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.241347][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.241516][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.241687][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.241942][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.242264][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.242445][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.242613][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.242876][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.243048][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.243299][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.243469][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.243639][   T69]  kthread (kernel/kthread.c:436)
[   27.243778][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.243991][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.244161][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.244341][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.244544][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.244874][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.245045][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.246710][   T69] ---[ end trace 0000000000000000 ]---
| [   27.285207][   T69] ------------[ cut here ]------------
| [   27.285391][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [   27.286864][   T69] Tainted: [W]=WARN
[   27.287054][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.287249][   T69] Workqueue: netns cleanup_net
[   27.287432][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.287636][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.288126][   T69] RSP: 0018:ffa00000004a7938 EFLAGS: 00010286
[   27.288337][   T69] RAX: 00000000ffffffa6 RBX: ff1100000a6aa900 RCX: 1ff4000000094eed
[   27.288563][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a6aa9b8
[   27.288792][   T69] RBP: ff110000050c1000 R08: 1fe22000014d5538 R09: ff11000008add1d0
[   27.289030][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.289265][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.289500][   T69] FS:  0000000000000000(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.289760][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.289971][   T69] CR2: 00007f308285a620 CR3: 0000000009545002 CR4: 0000000000771ef0
[   27.290206][   T69] PKRU: 55555554
[   27.290355][   T69] Call Trace:
[   27.290491][   T69]  <TASK>
[   27.290598][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.290801][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.291012][   T69]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.291183][   T69]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.291372][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.291542][   T69]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.291712][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.291893][   T69]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.292064][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.292231][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.292431][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.292632][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.292829][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.293077][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.293245][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.293423][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.293595][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.293765][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.293954][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.294125][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.294303][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.294495][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.294664][   T69]  kthread (kernel/kthread.c:436)
[   27.294804][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.295011][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.295184][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.295361][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.295558][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.295726][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.295909][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.297406][   T69] ---[ end trace 0000000000000000 ]---
| [   27.314392][   T69] ------------[ cut here ]------------
| [   27.314589][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [   27.315252][   T69] Tainted: [W]=WARN
[   27.315404][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.315610][   T69] Workqueue: netns cleanup_net
[   27.315787][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.316012][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.316518][   T69] RSP: 0018:ffa00000004a7748 EFLAGS: 00010286
[   27.316723][   T69] RAX: 00000000ffffffa6 RBX: ff1100000a6aa040 RCX: 1ff4000000094eaf
[   27.316969][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a6aa0f8
[   27.317203][   T69] RBP: ff1100000a414000 R08: 1fe22000014d5420 R09: ff11000008add1d0
[   27.317447][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.317681][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004a77e0
[   27.317942][   T69] FS:  0000000000000000(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.318211][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.318427][   T69] CR2: 000056548e9112b8 CR3: 000000000922a003 CR4: 0000000000771ef0
[   27.318663][   T69] PKRU: 55555554
[   27.318806][   T69] Call Trace:
[   27.318957][   T69]  <TASK>
[   27.319069][   T69]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.319245][   T69]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.319397][   T69]  netif_close_many (net/core/dev.c:1804)
[   27.319573][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.319750][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.320078][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.320335][   T69]  ? __dev_close_many (net/core/dev.c:1781)
[   27.320587][   T69]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.320790][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.321013][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.321189][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.321370][   T69]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   27.321550][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.321759][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.321950][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.322128][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.322310][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.322488][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.322668][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.322855][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.323035][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.323211][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.323392][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.323570][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.323744][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.323934][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.324117][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.324291][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.324479][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.324657][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.324833][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.325023][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.325198][   T69]  kthread (kernel/kthread.c:436)
[   27.325354][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.325561][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.325736][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.325922][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.326130][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.326312][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.326489][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.328056][   T69] ---[ end trace 0000000000000000 ]---
| [   27.329107][   T69] ------------[ cut here ]------------
| [   27.329277][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [   27.329912][   T69] Tainted: [W]=WARN
[   27.330050][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.330248][   T69] Workqueue: netns cleanup_net
[   27.330442][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.330647][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.331139][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[   27.331344][   T69] RAX: 00000000ffffffa6 RBX: ff1100000a6abc40 RCX: 1ff4000000094ed5
[   27.331571][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a6abcf8
[   27.331800][   T69] RBP: ff1100000a414000 R08: 1fe22000014d57a0 R09: ff11000008add1d0
[   27.332039][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.332266][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.332500][   T69] FS:  0000000000000000(0000) GS:ff110000a67b0000(0000) knlGS:0000000000000000
[   27.332763][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.332977][   T69] CR2: 000056548e9112b8 CR3: 000000000922a003 CR4: 0000000000771ef0
[   27.333207][   T69] PKRU: 55555554
[   27.333351][   T69] Call Trace:
[   27.333490][   T69]  <TASK>
[   27.333599][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.333801][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.334015][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.334187][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.334365][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.334537][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.334709][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.334893][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.335060][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.335236][   T69]  cleanup_net (net/core/net_namespace.c:702)
[   27.335413][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.335581][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.335752][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.335933][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.336104][   T69]  process_one_work (kernel/workqueue.c:3314)
[   27.336278][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.336456][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.336629][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.336800][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.336980][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.337151][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.337326][   T69]  kthread (kernel/kthread.c:436)
[   27.337465][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.337664][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.337849][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.338020][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.338217][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.338396][   T69]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:dev_change_flags
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb: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:unregister_netdevice_many_notify:unregister_netdevice_queue:ppp_release:__fput
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:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_set_mtu_ext:netif_set_mtu
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:ppp_unit_register:ppp_dev_configure
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch