======================================
| 0
| xx__-> [    7.807945][  T153] ------------[ cut here ]------------
| [    7.808145][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: icmps-accept_ip/153
| [    7.808748][  T153] Tainted: [W]=WARN
[    7.808847][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.809010][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.809187][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.809645][  T153] RSP: 0018:ffa00000007a7ab0 EFLAGS: 00010286
[    7.809854][  T153] RAX: 00000000ffffffa6 RBX: ff11000005278e40 RCX: 1ff40000000f4f1c
[    7.810045][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005278ef8
[    7.810241][  T153] RBP: ff11000007701000 R08: 1fe2200000a4f1e0 R09: ff1100000c52d180
[    7.810435][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.810627][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007701000
[    7.810818][  T153] FS:  00007eff82938780(0000) GS:ff110000942b0000(0000) knlGS:0000000000000000
[    7.811044][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.811211][  T153] CR2: 00007eff829ab0a0 CR3: 0000000004c28005 CR4: 0000000000771ef0
[    7.811408][  T153] PKRU: 55555554
[    7.811505][  T153] Call Trace:
[    7.811602][  T153]  <TASK>
[    7.811669][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.811800][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.811928][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.812025][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.812160][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.812330][  T153]  register_netdev (net/core/dev.c:11552)
[    7.812460][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    7.812592][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.812691][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.812787][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.812915][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.813045][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.813182][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.813316][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.813448][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.813576][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.813703][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.813832][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.813959][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.814089][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.814224][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.814360][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.814579][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.814713][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.814925][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.815053][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.815304][  T153] RIP: 0033:0x7eff82a33bcb
[    7.815438][  T153] 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
[    7.815894][  T153] RSP: 002b:00007ffe54e1c428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.816087][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff82a33bcb
[    7.816285][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    7.816480][  T153] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    7.816673][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.816864][  T153] R13: 0000000000416350 R14: 0000000000000004 R15: 0000000000000080
| [    7.818321][  T153] ---[ end trace 0000000000000000 ]---
| [    7.821696][  T153] ------------[ cut here ]------------
| [    7.821834][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: icmps-accept_ip/153
| [    7.822670][  T153] Tainted: [W]=WARN
[    7.822767][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.822924][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.823089][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.823545][  T153] RSP: 0018:ffa00000007a7a98 EFLAGS: 00010286
[    7.823707][  T153] RAX: 00000000ffffffa6 RBX: ff110000052783c0 RCX: 1ff40000000f4f19
[    7.823897][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005278478
[    7.824085][  T153] RBP: ff11000007981000 R08: 1fe2200000a4f090 R09: ff1100000c52d180
[    7.824279][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.824561][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007981000
[    7.824750][  T153] FS:  00007eff82938780(0000) GS:ff110000942b0000(0000) knlGS:0000000000000000
[    7.824971][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.825131][  T153] CR2: 00007eff829ab0a0 CR3: 0000000004c28005 CR4: 0000000000771ef0
[    7.825330][  T153] PKRU: 55555554
[    7.825426][  T153] Call Trace:
[    7.825521][  T153]  <TASK>
[    7.825587][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.825715][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.825842][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.825939][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.826090][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.826253][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.826389][  T153]  register_netdev (net/core/dev.c:11552)
[    7.826516][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    7.826646][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.826743][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.826838][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.826966][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.827092][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.827311][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.827521][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.827651][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.827782][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.827991][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.828119][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.828256][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.828387][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.828682][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.828808][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.828934][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.829060][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.829193][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.829331][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.829488][  T153] RIP: 0033:0x7eff82a33bcb
[    7.829712][  T153] 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
[    7.830254][  T153] RSP: 002b:00007ffe54e1c428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.830454][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff82a33bcb
[    7.830642][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    7.830829][  T153] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    7.831193][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.831387][  T153] R13: 0000000000416350 R14: 0000000000000004 R15: 0000000000000080
| [    7.832826][  T153] ---[ end trace 0000000000000000 ]---
| [    7.847080][  T153] ------------[ cut here ]------------
| [    7.847226][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: icmps-accept_ip/153
| [    7.847800][  T153] Tainted: [W]=WARN
[    7.847899][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.848064][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.848235][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.848690][  T153] RSP: 0018:ffa00000007a7ab0 EFLAGS: 00010286
[    7.848851][  T153] RAX: 00000000ffffffa6 RBX: ff1100000bde1540 RCX: 1ff40000000f4f1c
[    7.849040][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bde15f8
[    7.849235][  T153] RBP: ff11000008809000 R08: 1fe22000017bc2c0 R09: ff1100000c52d180
[    7.849431][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.849617][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008809000
[    7.849806][  T153] FS:  00007eff82938780(0000) GS:ff110000942b0000(0000) knlGS:0000000000000000
[    7.850027][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.850198][  T153] CR2: 00007eff829ab0a0 CR3: 0000000004c28005 CR4: 0000000000771ef0
[    7.850393][  T153] PKRU: 55555554
[    7.850487][  T153] Call Trace:
[    7.850582][  T153]  <TASK>
[    7.850647][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.850774][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.850900][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.850996][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.851128][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.851297][  T153]  register_netdev (net/core/dev.c:11552)
[    7.851424][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    7.851552][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.851648][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.851743][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.851870][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.852003][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.852130][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.852261][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.852445][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.852572][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.852700][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.852827][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.852958][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.853087][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.853218][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.853352][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.853478][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.853605][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.853731][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.853888][  T153] RIP: 0033:0x7eff82a33bcb
[    7.854055][  T153] 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
[    7.854516][  T153] RSP: 002b:00007ffe54e1c428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.854707][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff82a33bcb
[    7.854900][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    7.855090][  T153] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    7.855284][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.855478][  T153] R13: 0000000000416350 R14: 0000000000000004 R15: 0000000000000080
| [    7.856753][  T153] ---[ end trace 0000000000000000 ]---
| [    7.859571][  T153] ------------[ cut here ]------------
| [    7.859705][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: icmps-accept_ip/153
| [    7.860255][  T153] Tainted: [W]=WARN
[    7.860358][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.860516][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.860679][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.861268][  T153] RSP: 0018:ffa00000007a7a98 EFLAGS: 00010286
[    7.861431][  T153] RAX: 00000000ffffffa6 RBX: ff1100000bde0200 RCX: 1ff40000000f4f19
[    7.861619][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bde02b8
[    7.861812][  T153] RBP: ff1100000d079000 R08: 1fe22000017bc058 R09: ff1100000c52d180
[    7.862001][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.862194][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d079000
[    7.862387][  T153] FS:  00007eff82938780(0000) GS:ff110000942b0000(0000) knlGS:0000000000000000
[    7.862612][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.862772][  T153] CR2: 00007eff829ab0a0 CR3: 0000000004c28005 CR4: 0000000000771ef0
[    7.862963][  T153] PKRU: 55555554
[    7.863057][  T153] Call Trace:
[    7.863151][  T153]  <TASK>
[    7.863220][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.863353][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.863483][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.863578][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.863705][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.863863][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.863990][  T153]  register_netdev (net/core/dev.c:11552)
[    7.864118][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    7.864250][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.864353][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.864452][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.864577][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.864703][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.864831][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.864957][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.865085][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.865218][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.865351][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.865476][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.865601][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.865730][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.865854][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.865979][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.866104][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.866238][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.866370][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.866525][  T153] RIP: 0033:0x7eff82a33bcb
[    7.866656][  T153] 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
[    7.867104][  T153] RSP: 002b:00007ffe54e1c428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.867308][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff82a33bcb
[    7.867496][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    7.867680][  T153] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    7.867866][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.868057][  T153] R13: 0000000000416350 R14: 0000000000000004 R15: 0000000000000080
| [    7.869322][  T153] ---[ end trace 0000000000000000 ]---
| [    7.874683][  T153] ------------[ cut here ]------------
| [    7.874883][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: icmps-accept_ip/153
| [    7.875482][  T153] Tainted: [W]=WARN
[    7.875582][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.875754][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.875922][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.876391][  T153] RSP: 0018:ffa00000007a7020 EFLAGS: 00010286
[    7.876559][  T153] RAX: 00000000ffffffa6 RBX: ff1100000bdf8ac0 RCX: 1ff40000000f4dca
[    7.876753][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bdf8b78
[    7.876946][  T153] RBP: ff11000009049000 R08: 1fe22000017bf170 R09: ff1100000c52d180
[    7.877139][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.877342][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bd81c8c
[    7.877540][  T153] FS:  00007eff82938780(0000) GS:ff110000942b0000(0000) knlGS:0000000000000000
[    7.877769][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.877932][  T153] CR2: 00007eff829ab0a0 CR3: 0000000004c28005 CR4: 0000000000771ef0
[    7.878128][  T153] PKRU: 55555554
[    7.878228][  T153] Call Trace:
[    7.878335][  T153]  <TASK>
[    7.878402][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.878532][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.878662][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    7.878792][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.878891][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.879021][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    7.879152][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.879289][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    7.879423][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    7.879552][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    7.879680][  T153]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    7.879810][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.879940][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    7.880070][  T153]  veth_newlink (drivers/net/veth.c:1871)
[    7.880209][  T153]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    7.880344][  T153]  ? kasan_save_stack (mm/kasan/common.c:57)
[    7.880475][  T153]  ? kasan_save_track (mm/kasan/common.c:78)
[    7.880604][  T153]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    7.880746][  T153]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    7.880874][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    7.881004][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    7.881137][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.881272][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    7.881410][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    7.881542][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    7.881674][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    7.881804][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    7.881937][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    7.882069][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    7.882207][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.882341][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.882471][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    7.882605][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.882737][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.882868][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    7.882999][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    7.883132][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.883264][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    7.883493][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.883625][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.883756][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    7.883886][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.884103][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    7.884239][  T153]  ? 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))
[    7.884374][  T153]  ? 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))
[    7.884506][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    7.884722][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    7.884850][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    7.884979][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    7.885108][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    7.885338][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    7.885473][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    7.885633][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    7.885793][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.886012][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    7.886142][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    7.886280][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.886419][  T153]  ? update_socket_protocol+0x10/0x10
[    7.886639][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.886770][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    7.886898][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.887060][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.887283][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.887417][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.887548][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.887683][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.887901][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.888062][  T153] RIP: 0033:0x7eff829ab08e
[    7.888203][  T153] 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
[    7.888670][  T153] RSP: 002b:00007ffe54e1bb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    7.888954][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007eff829ab08e
[    7.889146][  T153] RDX: 0000000000000078 RSI: 00007ffe54e1bbb0 RDI: 0000000000000008
[    7.889347][  T153] RBP: 00007ffe54e1bb30 R08: 0000000000000000 R09: 0000000000000000
[    7.889626][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    7.889828][  T153] R13: 0000000000000045 R14: 000000000040ef71 R15: 0000000000000080
| [    7.891344][  T153] ---[ end trace 0000000000000000 ]---
| [    7.905514][  T153] ------------[ cut here ]------------
| [    7.905658][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: icmps-accept_ip/153
| [    7.906214][  T153] Tainted: [W]=WARN
[    7.906321][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.906483][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.906654][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.907110][  T153] RSP: 0018:ffa00000007a73a0 EFLAGS: 00010286
[    7.907281][  T153] RAX: 00000000ffffffa6 RBX: ff110000075c2ac0 RCX: 1ff40000000f4e3a
[    7.907479][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000075c2b78
[    7.907674][  T153] RBP: ff11000008864000 R08: 1fe2200000eb8570 R09: ff1100000c52d180
[    7.907866][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.908058][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    7.908255][  T153] FS:  00007eff82938780(0000) GS:ff110000942b0000(0000) knlGS:0000000000000000
[    7.908489][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.908650][  T153] CR2: 00007eff829ab0a0 CR3: 0000000004c28005 CR4: 0000000000771ef0
[    7.908842][  T153] PKRU: 55555554
[    7.908939][  T153] Call Trace:
[    7.909035][  T153]  <TASK>
[    7.909100][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.909235][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.909368][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    7.909497][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.909595][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.909724][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    7.909854][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.909981][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    7.910111][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    7.910250][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    7.910384][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    7.910513][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.910643][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    7.910774][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    7.910905][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    7.911039][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    7.911174][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    7.911310][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    7.911443][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    7.911573][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.911701][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.911830][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    7.911962][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.912096][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.912227][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    7.912361][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    7.912489][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.912618][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    7.912747][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.912875][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.913004][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    7.913137][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.913268][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    7.913404][  T153]  ? 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))
[    7.913533][  T153]  ? 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))
[    7.913665][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    7.913795][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    7.913924][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    7.914058][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    7.914191][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    7.914326][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    7.914455][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    7.914616][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    7.914776][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.914906][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    7.915040][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    7.915177][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.915313][  T153]  ? update_socket_protocol+0x10/0x10
[    7.915442][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.915572][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    7.915702][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.915863][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.915993][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.916121][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.916254][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.916389][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.916518][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.916677][  T153] RIP: 0033:0x7eff829ab08e
[    7.916811][  T153] 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
[    7.917272][  T153] RSP: 002b:00007ffe54e1bb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    7.917469][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007eff829ab08e
[    7.917663][  T153] RDX: 0000000000000078 RSI: 00007ffe54e1bbb0 RDI: 0000000000000008
[    7.917877][  T153] RBP: 00007ffe54e1bb30 R08: 0000000000000000 R09: 0000000000000000
[    7.918078][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    7.918274][  T153] R13: 0000000000000045 R14: 000000000040ef71 R15: 0000000000000080
| [    7.919584][  T153] ---[ end trace 0000000000000000 ]---
| [    7.926152][   T12] ------------[ cut here ]------------
| [    7.926377][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    7.926878][   T12] Tainted: [W]=WARN
[    7.926965][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.927110][   T12] Workqueue: netns cleanup_net
[    7.927244][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.927414][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.927829][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    7.927973][   T12] RAX: 00000000ffffffa6 RBX: ff110000075c3700 RCX: 1ff4000000018eed
[    7.928142][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000075c37b8
[    7.928326][   T12] RBP: ff11000007981000 R08: 1fe2200000eb86f8 R09: ff11000001b0d1d0
[    7.928541][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    7.928716][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.928890][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    7.929091][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.929246][   T12] CR2: 00007f3aed629ab0 CR3: 000000000c5bd002 CR4: 0000000000771ef0
[    7.929424][   T12] PKRU: 55555554
[    7.929510][   T12] Call Trace:
[    7.929597][   T12]  <TASK>
[    7.929656][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.929802][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.929945][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    7.930063][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    7.930187][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.930325][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    7.930491][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.930660][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.930792][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.930907][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.931025][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    7.931139][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.931263][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.931391][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.931505][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.931622][   T12]  process_one_work (kernel/workqueue.c:3314)
[    7.931744][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.931864][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.931984][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.932101][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.932220][   T12]  kthread (kernel/kthread.c:436)
[    7.932312][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.932456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.932574][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.932690][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.932834][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.932950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.933068][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.934165][   T12] ---[ end trace 0000000000000000 ]---
| [    7.941000][  T153] ------------[ cut here ]------------
| [    7.941184][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    7.941817][  T153] Tainted: [W]=WARN
[    7.941958][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.942172][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.942394][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.942880][  T153] RSP: 0018:ffa00000007a7ab0 EFLAGS: 00010286
[    7.943087][  T153] RAX: 00000000ffffffa6 RBX: ff1100000c7f9380 RCX: 1ff40000000f4f1c
[    7.943335][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7f9438
[    7.943566][  T153] RBP: ff1100000d101000 R08: 1fe22000018ff288 R09: ff1100000c52d180
[    7.943797][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    7.944032][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d101000
[    7.944274][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    7.944551][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.944754][  T153] CR2: 00007f2be35ed0a0 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    7.944988][  T153] PKRU: 55555554
[    7.945132][  T153] Call Trace:
[    7.945281][  T153]  <TASK>
[    7.945406][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.945584][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.945756][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.945897][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.946069][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.946286][  T153]  register_netdev (net/core/dev.c:11552)
[    7.946474][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    7.946647][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.946790][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.946931][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.947101][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.947281][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.947469][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.947646][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.947820][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.947993][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.948172][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.948357][  T153]  ? ksys_write (fs/read_write.c:740)
[    7.948529][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.948705][  T153]  ? __ia32_sys_read (fs/read_write.c:724)
[    7.948879][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.949053][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.949231][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.949415][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.949587][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.949763][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.949964][  T153] RIP: 0033:0x7eff82a33bcb
[    7.950140][  T153] 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
[    7.950650][  T153] RSP: 002b:00007ffe54e1c488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.950887][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007eff82a33bcb
[    7.951118][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    7.951370][  T153] RBP: 000000006a10ec53 R08: 0000000000000000 R09: 0000000000000000
[    7.951603][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.951837][  T153] R13: 0100000000000000 R14: 0000000000000004 R15: 0000000000000080
| [    7.953453][  T153] ---[ end trace 0000000000000000 ]---
| [    7.962906][  T153] ------------[ cut here ]------------
| [    7.963079][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    7.963758][  T153] Tainted: [W]=WARN
[    7.963903][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.964106][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.964335][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.964831][  T153] RSP: 0018:ffa00000007a7a98 EFLAGS: 00010286
[    7.965039][  T153] RAX: 00000000ffffffa6 RBX: ff1100000c7f83c0 RCX: 1ff40000000f4f19
[    7.965283][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7f8478
[    7.965528][  T153] RBP: ff1100000cda4000 R08: 1fe22000018ff090 R09: ff1100000c52d180
[    7.965762][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    7.965998][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cda4000
[    7.966242][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    7.966520][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.966726][  T153] CR2: 00007f2be35ed0a0 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    7.966966][  T153] PKRU: 55555554
[    7.967108][  T153] Call Trace:
[    7.967256][  T153]  <TASK>
[    7.967378][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.967554][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.967727][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.967870][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.968044][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.968258][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.968443][  T153]  register_netdev (net/core/dev.c:11552)
[    7.968620][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    7.968800][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.968948][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.969095][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.969280][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.969465][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.969642][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.969814][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.969988][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.970167][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.970354][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.970526][  T153]  ? ksys_write (fs/read_write.c:740)
[    7.970699][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.970872][  T153]  ? __ia32_sys_read (fs/read_write.c:724)
[    7.971047][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.971226][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.971408][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.971580][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.971753][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.971926][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.972128][  T153] RIP: 0033:0x7eff82a33bcb
[    7.972327][  T153] 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
[    7.972818][  T153] RSP: 002b:00007ffe54e1c488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.973052][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007eff82a33bcb
[    7.973305][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    7.973538][  T153] RBP: 000000006a10ec53 R08: 0000000000000000 R09: 0000000000000000
[    7.973771][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.974004][  T153] R13: 0100000000000000 R14: 0000000000000004 R15: 0000000000000080
| [    7.975627][  T153] ---[ end trace 0000000000000000 ]---
| [    7.976869][   T12] ------------[ cut here ]------------
| [    7.976994][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    7.977724][   T12] Tainted: [W]=WARN
[    7.977856][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.978071][   T12] Workqueue: netns cleanup_net
[    7.978259][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.978446][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.978872][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    7.979024][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c7f8040 RCX: 1ff4000000018ed5
[    7.979203][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7f80f8
[    7.979388][   T12] RBP: ff11000008864000 R08: 1fe22000018ff020 R09: ff11000001b0d1d0
[    7.979562][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    7.979737][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.979913][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    7.980119][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.980273][   T12] CR2: 00007f3aed629ab0 CR3: 000000000c5bd002 CR4: 0000000000771ef0
[    7.980455][   T12] PKRU: 55555554
[    7.980542][   T12] Call Trace:
[    7.980631][   T12]  <TASK>
[    7.980696][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.980844][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.980991][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.981109][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.981235][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    7.981390][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    7.981508][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    7.981630][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    7.981779][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    7.981952][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.982121][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.982316][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    7.982494][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.982622][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.982764][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.982930][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.983111][   T12]  process_one_work (kernel/workqueue.c:3314)
[    7.983318][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.983479][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.983602][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.983725][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.983846][   T12]  kthread (kernel/kthread.c:436)
[    7.983938][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.984091][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.984220][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.984351][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.984498][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.984657][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.984824][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.986209][   T12] ---[ end trace 0000000000000000 ]---
| [    7.994493][   T12] ------------[ cut here ]------------
| [    7.994646][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    7.995148][   T12] Tainted: [W]=WARN
[    7.995247][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.995399][   T12] Workqueue: netns cleanup_net
[    7.995524][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.995676][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.996091][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    7.996247][   T12] RAX: 00000000ffffffa6 RBX: ff110000090df540 RCX: 1ff4000000018ed5
[    7.996427][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090df5f8
[    7.996600][   T12] RBP: ff11000009049000 R08: 1fe220000121bec0 R09: ff11000001b0d1d0
[    7.996773][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    7.996947][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.997122][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    7.997337][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.997483][   T12] CR2: 00007f3aed629ab0 CR3: 000000000c5bd002 CR4: 0000000000771ef0
[    7.997664][   T12] PKRU: 55555554
[    7.997750][   T12] Call Trace:
[    7.997837][   T12]  <TASK>
[    7.997898][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.998045][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.998195][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.998317][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.998433][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    7.998580][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    7.998699][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    7.998821][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    7.998940][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    7.999057][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.999178][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.999306][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    7.999424][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.999540][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.999661][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.999780][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.999899][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.000016][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.000132][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.000260][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.000387][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.000504][   T12]  kthread (kernel/kthread.c:436)
[    8.000592][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.000738][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.000853][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.000968][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.001114][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.001237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.001358][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.002470][   T12] ---[ end trace 0000000000000000 ]---
| [    8.003523][   T12] ------------[ cut here ]------------
| [    8.003643][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    8.004134][   T12] Tainted: [W]=WARN
[    8.004227][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.004379][   T12] Workqueue: netns cleanup_net
[    8.004502][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.004653][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.005069][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.005222][   T12] RAX: 00000000ffffffa6 RBX: ff110000090df8c0 RCX: 1ff4000000018ed5
[    8.005401][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090df978
[    8.005591][   T12] RBP: ff11000007701000 R08: 1fe220000121bf30 R09: ff11000001b0d1d0
[    8.005768][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.005943][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.006117][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    8.006355][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.006502][   T12] CR2: 00007f3aed629ab0 CR3: 000000000c5bd002 CR4: 0000000000771ef0
[    8.006690][   T12] PKRU: 55555554
[    8.006813][   T12] Call Trace:
[    8.006938][   T12]  <TASK>
[    8.007027][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.007255][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.007486][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.007627][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.007745][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.007893][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.008016][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.008132][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.008253][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.008378][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.008492][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.008612][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.008728][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.008848][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.008971][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.009090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.009214][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.009336][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.009452][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.009573][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.009694][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.009816][   T12]  kthread (kernel/kthread.c:436)
[    8.009909][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.010055][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.010178][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.010312][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.010460][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.010584][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.010708][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.011817][   T12] ---[ end trace 0000000000000000 ]---
| [    8.018448][  T153] ------------[ cut here ]------------
| [    8.018623][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    8.019265][  T153] Tainted: [W]=WARN
[    8.019420][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.019624][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.019837][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.020350][  T153] RSP: 0018:ffa00000007a7ab0 EFLAGS: 00010286
[    8.020555][  T153] RAX: 00000000ffffffa6 RBX: ff1100000beaa3c0 RCX: 1ff40000000f4f1c
[    8.020792][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000beaa478
[    8.021027][  T153] RBP: ff11000008829000 R08: 1fe22000017d5490 R09: ff1100000c52d180
[    8.021269][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.021515][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008829000
[    8.021754][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    8.022019][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.022233][  T153] CR2: 00007f2be35ed0a0 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    8.022481][  T153] PKRU: 55555554
[    8.022623][  T153] Call Trace:
[    8.022763][  T153]  <TASK>
[    8.022874][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.023052][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.023232][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.023389][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.023563][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.023770][  T153]  register_netdev (net/core/dev.c:11552)
[    8.023944][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    8.024118][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.024271][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.024425][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.024596][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.024769][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.024944][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.025118][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.025312][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.025489][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.025664][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.025837][  T153]  ? ksys_write (fs/read_write.c:740)
[    8.026011][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.026194][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.026385][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.026558][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.026731][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.026907][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.027079][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.027304][  T153] RIP: 0033:0x7eff82a33bcb
[    8.027480][  T153] 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
[    8.027972][  T153] RSP: 002b:00007ffe54e1c488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.028214][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007eff82a33bcb
[    8.028460][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    8.028694][  T153] RBP: 000000006a10ec53 R08: 0000000000000000 R09: 0000000000000000
[    8.028930][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    8.029170][  T153] R13: 0100000000000000 R14: 0000000000000004 R15: 0000000000000080
| [    8.030771][  T153] ---[ end trace 0000000000000000 ]---
| [    8.033614][  T153] ------------[ cut here ]------------
| [    8.033787][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    8.034430][  T153] Tainted: [W]=WARN
[    8.034569][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.034786][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.034994][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.035499][  T153] RSP: 0018:ffa00000007a7a98 EFLAGS: 00010286
[    8.035702][  T153] RAX: 00000000ffffffa6 RBX: ff11000005279540 RCX: 1ff40000000f4f19
[    8.035952][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000052795f8
[    8.036193][  T153] RBP: ff1100000d94c000 R08: 1fe2200000a4f2c0 R09: ff1100000c52d180
[    8.036435][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.036668][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d94c000
[    8.036915][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    8.037186][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.037404][  T153] CR2: 00007f2be35ed0a0 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    8.037639][  T153] PKRU: 55555554
[    8.037779][  T153] Call Trace:
[    8.037930][  T153]  <TASK>
[    8.038040][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.038221][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.038403][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.038546][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.038721][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.038924][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.039110][  T153]  register_netdev (net/core/dev.c:11552)
[    8.039307][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    8.039482][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.039625][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.039767][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.039937][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.040110][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.040305][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.040490][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.040666][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.040838][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.041011][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.041192][  T153]  ? ksys_write (fs/read_write.c:740)
[    8.041375][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.041549][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.041735][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.041908][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.042081][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.042264][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.042449][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.042651][  T153] RIP: 0033:0x7eff82a33bcb
[    8.042827][  T153] 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
[    8.043351][  T153] RSP: 002b:00007ffe54e1c488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.043586][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007eff82a33bcb
[    8.043819][  T153] RDX: 0000000000000000 RSI: 000000000040e9d4 RDI: 0000000040000000
[    8.044063][  T153] RBP: 000000006a10ec53 R08: 0000000000000000 R09: 0000000000000000
[    8.044316][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    8.044551][  T153] R13: 0100000000000000 R14: 0000000000000004 R15: 0000000000000080
| [    8.046173][  T153] ---[ end trace 0000000000000000 ]---
| [    8.070051][   T12] ------------[ cut here ]------------
| [    8.070189][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    8.070695][   T12] Tainted: [W]=WARN
[    8.070783][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.070931][   T12] Workqueue: netns cleanup_net
[    8.071053][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.071210][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.071633][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    8.071779][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce16c80 RCX: 1ff4000000018eed
[    8.071951][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce16d38
[    8.072126][   T12] RBP: ff1100000d079000 R08: 1fe22000019c2da8 R09: ff11000001b0d1d0
[    8.072372][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.072543][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.072718][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    8.072919][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.073070][   T12] CR2: 00007f3aed629ab0 CR3: 000000000c5bd002 CR4: 0000000000771ef0
[    8.073253][   T12] PKRU: 55555554
[    8.073374][   T12] Call Trace:
[    8.073460][   T12]  <TASK>
[    8.073520][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.073665][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.073810][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    8.073929][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    8.074046][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.074165][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    8.074281][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.074405][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.074524][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.074639][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.074757][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.074875][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.074988][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.075105][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.075223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.075347][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.075466][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.075582][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.075705][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.075825][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.075940][   T12]  kthread (kernel/kthread.c:436)
[    8.076028][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.076177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.076298][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.076414][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.076559][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.076676][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.076792][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.077895][   T12] ---[ end trace 0000000000000000 ]---
| [    8.090169][   T12] ------------[ cut here ]------------
| [    8.090305][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    8.090799][   T12] Tainted: [W]=WARN
[    8.090886][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.091032][   T12] Workqueue: netns cleanup_net
[    8.091157][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.091314][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.091729][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.091877][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce17540 RCX: 1ff4000000018ed5
[    8.092053][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce175f8
[    8.092230][   T12] RBP: ff11000008809000 R08: 1fe22000019c2ec0 R09: ff11000001b0d1d0
[    8.092408][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.092582][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.092757][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    8.092960][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.093105][   T12] CR2: 00007f3aed629ab0 CR3: 000000000c5bd002 CR4: 0000000000771ef0
[    8.093283][   T12] PKRU: 55555554
[    8.093377][   T12] Call Trace:
[    8.093464][   T12]  <TASK>
[    8.093524][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.093671][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.093818][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.093936][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.094053][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.094178][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.094302][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.094424][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.094540][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.094658][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.094775][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.094890][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.095007][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.095124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.095246][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.095410][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.095526][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.095646][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.095765][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.095881][   T12]  kthread (kernel/kthread.c:436)
[    8.095970][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.096116][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.096247][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.096368][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.096512][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.096628][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.096743][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.097837][   T12] ---[ end trace 0000000000000000 ]---
| [    8.180208][  T153] ------------[ cut here ]------------
| [    8.180410][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    8.181057][  T153] Tainted: [W]=WARN
[    8.181206][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.181427][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.181639][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.182142][  T153] RSP: 0018:ffa00000007a7020 EFLAGS: 00010286
[    8.182369][  T153] RAX: 00000000ffffffa6 RBX: ff110000090c6c80 RCX: 1ff40000000f4dca
[    8.182606][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090c6d38
[    8.182845][  T153] RBP: ff1100000d179000 R08: 1fe2200001218da8 R09: ff1100000c52d180
[    8.183081][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.183338][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b7270c
[    8.183578][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    8.183848][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.184056][  T153] CR2: 000000003cdc5218 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    8.184309][  T153] PKRU: 55555554
[    8.184451][  T153] Call Trace:
[    8.184592][  T153]  <TASK>
[    8.184704][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.184877][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.185084][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.185264][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.185420][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.185593][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.185767][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.185940][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.186114][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.186309][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.186483][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.186657][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.186832][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.187008][  T153]  veth_newlink (drivers/net/veth.c:1871)
[    8.187190][  T153]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    8.187372][  T153]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.187551][  T153]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.187724][  T153]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.187909][  T153]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.188082][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.188264][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.188451][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.188627][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.188802][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.188980][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.189153][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.189349][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.189528][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.189707][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.189882][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.190055][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.190239][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.190430][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.190604][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.190778][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.190952][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.191125][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.191317][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.191493][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.191668][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.191845][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.192019][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.192201][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.192391][  T153]  ? 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))
[    8.192564][  T153]  ? 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))
[    8.192740][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.192915][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.193089][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.193272][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.193462][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.193638][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.193815][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.193991][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.194174][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.194367][  T153]  ? update_socket_protocol+0x10/0x10
[    8.194541][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.194717][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.194892][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.195097][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.195277][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.195464][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.195641][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.195813][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.195988][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.196197][  T153] RIP: 0033:0x7eff829b6e32
[    8.196388][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.196885][  T153] RSP: 002b:00007ffe54e1bb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.197124][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007eff829b6e32
[    8.197374][  T153] RDX: 0000000000000078 RSI: 00007ffe54e1bc10 RDI: 0000000000000009
[    8.197610][  T153] RBP: 00007ffe54e1bb90 R08: 0000000000000000 R09: 0000000000000000
[    8.197849][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    8.198086][  T153] R13: 0000000000000045 R14: 00000000004124a8 R15: 0000000000000080
| [    8.199717][  T153] ---[ end trace 0000000000000000 ]---
| [    8.205661][  T153] ------------[ cut here ]------------
| [    8.205834][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    8.207148][  T153] Tainted: [W]=WARN
[    8.207369][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.207624][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.207888][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.208470][  T153] RSP: 0018:ffa00000007a73a0 EFLAGS: 00010286
[    8.208727][  T153] RAX: 00000000ffffffa6 RBX: ff11000004cb3e00 RCX: 1ff40000000f4e3a
[    8.209015][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004cb3eb8
[    8.209321][  T153] RBP: ff1100000d07c000 R08: 1fe22000009967d8 R09: ff1100000c52d180
[    8.209608][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.209897][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.210216][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    8.210549][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.210806][  T153] CR2: 000000003cdc5218 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    8.211095][  T153] PKRU: 55555554
[    8.211307][  T153] Call Trace:
[    8.211500][  T153]  <TASK>
[    8.211662][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.211885][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.212107][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.212357][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.212554][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.212782][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.213006][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.213237][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.213478][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.213704][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.213929][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.214162][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.214405][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.214630][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.214856][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.215081][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.215329][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.215559][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.215787][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.216013][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.216246][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.216485][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.216716][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.216942][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.217175][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.217412][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.217638][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.217863][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.218089][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.218329][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.218555][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.218780][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.219007][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.219241][  T153]  ? 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))
[    8.219501][  T153]  ? 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))
[    8.219685][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.219866][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.220052][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.220234][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.220418][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.220593][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.220768][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.220944][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.221118][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.221312][  T153]  ? update_socket_protocol+0x10/0x10
[    8.221485][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.221659][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.221832][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.222035][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.222216][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.222402][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.222575][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.222746][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.222920][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.223123][  T153] RIP: 0033:0x7eff829b6e32
[    8.223314][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.223808][  T153] RSP: 002b:00007ffe54e1bb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.224047][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007eff829b6e32
[    8.224303][  T153] RDX: 0000000000000078 RSI: 00007ffe54e1bc10 RDI: 0000000000000009
[    8.224542][  T153] RBP: 00007ffe54e1bb90 R08: 0000000000000000 R09: 0000000000000000
[    8.224777][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    8.225012][  T153] R13: 0000000000000045 R14: 00000000004124a8 R15: 0000000000000080
| [    8.226627][  T153] ---[ end trace 0000000000000000 ]---
| [    8.227455][  T153] ------------[ cut here ]------------
| [    8.227626][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    8.228253][  T153] Tainted: [W]=WARN
[    8.228595][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.228794][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.229013][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.229518][  T153] RSP: 0018:ffa00000007a7220 EFLAGS: 00010286
[    8.229722][  T153] RAX: 00000000ffffffa6 RBX: ff11000004ca23c0 RCX: 1ff40000000f4e0a
[    8.229952][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ca2478
[    8.230188][  T153] RBP: ff1100000d179000 R08: 1fe2200000994490 R09: ff1100000c52d158
[    8.230435][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.230665][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d179ce1
[    8.230896][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    8.231165][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.231381][  T153] CR2: 000000003cdc5218 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    8.231614][  T153] PKRU: 55555554
[    8.231752][  T153] Call Trace:
[    8.231890][  T153]  <TASK>
[    8.231998][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.232174][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.232326][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.232495][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.232665][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.232835][  T153]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.233004][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.233178][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.233364][  T153]  ? 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))
[    8.233536][  T153]  netif_change_flags (net/core/dev.c:9820)
[    8.233709][  T153]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.233885][  T153]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.234056][  T153]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.234262][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.234443][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.234614][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.234784][  T153]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.234956][  T153]  ? __kernel_text_address (kernel/extable.c:79)
[    8.235129][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.235321][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.235493][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.235664][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.235834][  T153]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.236004][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.236180][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.236367][  T153]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.236539][  T153]  ? __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)
[    8.236709][  T153]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.236881][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.237053][  T153]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.237232][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.237418][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.237592][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.237769][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.237939][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.238110][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.238304][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.238473][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.238644][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.238816][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.238988][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.239169][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.239354][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.239525][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.239695][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.239867][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.240035][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.240215][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.240397][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.240571][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.240746][  T153]  ? 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))
[    8.240915][  T153]  ? 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))
[    8.241087][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.241264][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.241445][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.241618][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.241792][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.241964][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.242136][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.242325][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.242502][  T153]  ? fput_close_sync (fs/file_table.c:615)
[    8.242673][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.242845][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.243019][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.243227][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.243406][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.243577][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.243749][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.243919][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.244089][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.244305][  T153] RIP: 0033:0x7eff829b6e32
[    8.244482][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.244967][  T153] RSP: 002b:00007ffe54e1bb78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.245209][  T153] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007eff829b6e32
[    8.245456][  T153] RDX: 0000000000000020 RSI: 00007ffe54e1bbf0 RDI: 0000000000000009
[    8.245687][  T153] RBP: 00007ffe54e1bba0 R08: 0000000000000000 R09: 0000000000000000
[    8.245919][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000023508c12
[    8.246150][  T153] R13: 0100000000000000 R14: 00005402b80d0120 R15: 0100000000000000
| [    8.247752][  T153] ---[ end trace 0000000000000000 ]---
| [    8.258113][  T153] ------------[ cut here ]------------
| [    8.258379][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: icmps-accept_ip/153
| [    8.259170][  T153] Tainted: [W]=WARN
[    8.259389][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.259643][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.259902][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.260460][  T153] RSP: 0018:ffa00000007a7220 EFLAGS: 00010286
[    8.260715][  T153] RAX: 00000000ffffffa6 RBX: ff11000004ca3e00 RCX: 1ff40000000f4e0a
[    8.260994][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ca3eb8
[    8.261229][  T153] RBP: ff1100000d07c000 R08: 1fe22000009947d8 R09: ff1100000c52d158
[    8.261472][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.261702][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d07cce1
[    8.261935][  T153] FS:  00007eff82938780(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    8.262204][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.262419][  T153] CR2: 00007eff82134cd4 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    8.262653][  T153] PKRU: 55555554
[    8.262791][  T153] Call Trace:
[    8.262929][  T153]  <TASK>
[    8.263038][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.263219][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.263376][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.263547][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.263718][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.263887][  T153]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.264056][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.264230][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.264412][  T153]  ? 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))
[    8.264587][  T153]  netif_change_flags (net/core/dev.c:9820)
[    8.264758][  T153]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.264930][  T153]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.265100][  T153]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.265322][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.265491][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.265663][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.265836][  T153]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.266008][  T153]  ? __kernel_text_address (kernel/extable.c:79)
[    8.266186][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.266371][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.266543][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.266714][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.266885][  T153]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.267059][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.267237][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.267421][  T153]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.267592][  T153]  ? __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)
[    8.267762][  T153]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.267934][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.268106][  T153]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.268288][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.268479][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.268651][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.268824][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.268994][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.269170][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.269357][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.269527][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.269698][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.269872][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.270044][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.270225][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.270405][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.270575][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.270745][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.270918][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.271090][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.271264][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.271447][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.271619][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.271792][  T153]  ? 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))
[    8.271960][  T153]  ? 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))
[    8.272130][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.272321][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.272492][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.272664][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.272835][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.273007][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.273190][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.273374][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.273551][  T153]  ? fput_close_sync (fs/file_table.c:615)
[    8.273728][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.273900][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.274072][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.274284][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.274475][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.274645][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.274818][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.274991][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.275171][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.275384][  T153] RIP: 0033:0x7eff829b6e32
[    8.275569][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.276053][  T153] RSP: 002b:00007ffe54e1bb78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.276351][  T153] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007eff829b6e32
[    8.276583][  T153] RDX: 0000000000000020 RSI: 00007ffe54e1bbf0 RDI: 0000000000000009
[    8.276812][  T153] RBP: 00007ffe54e1bba0 R08: 0000000000000000 R09: 0000000000000000
[    8.277043][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000695665f5
[    8.277286][  T153] R13: 0100000000000000 R14: 00000100b80d0120 R15: 0100000000000000
| [    8.278878][  T153] ---[ end trace 0000000000000000 ]---
| [    8.280206][   T58] ------------[ cut here ]------------
| [    8.280500][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/58
| [    8.281078][   T58] Tainted: [W]=WARN
[    8.281271][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.281474][   T58] Workqueue: events_unbound linkwatch_event
[    8.281671][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.281865][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.282506][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[    8.282704][   T58] RAX: 00000000ffffffa6 RBX: ff1100000922aac0 RCX: 1ff400000007df02
[    8.282923][   T58] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000922ab78
[    8.283142][   T58] RBP: ff1100000d179000 R08: 1fe2200001245570 R09: ff11000005180ba8
[    8.283381][   T58] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[    8.283599][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.283819][   T58] FS:  0000000000000000(0000) GS:ff110000943b0000(0000) knlGS:0000000000000000
[    8.284066][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.284264][   T58] CR2: 00007eff82134cd4 CR3: 0000000004c28001 CR4: 0000000000771ef0
[    8.284503][   T58] PKRU: 55555554
[    8.284634][   T58] Call Trace:
[    8.284770][   T58]  <TASK>
[    8.284875][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.285038][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.285210][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.285361][   T58]  netif_state_change (net/core/dev.c:1605)
[    8.285527][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    8.285718][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.285881][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.286047][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.286221][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.286398][   T58]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    8.286562][   T58]  process_one_work (kernel/workqueue.c:3314)
[    8.286729][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.286891][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.287057][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.287260][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.287432][   T58]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    8.287595][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.287758][   T58]  kthread (kernel/kthread.c:436)
[    8.287892][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.288083][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.288253][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.288430][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.288620][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.288783][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.288946][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.473342][  T153] icmps-accept_ip (153) used greatest stack depth: 23808 bytes left
| [    8.486433][   T12] ------------[ cut here ]------------
| [    8.486572][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    8.487068][   T12] Tainted: [W]=WARN
[    8.487154][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.487312][   T12] Workqueue: netns cleanup_net
[    8.487438][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.487588][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.488000][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    8.488145][   T12] RAX: 00000000ffffffa6 RBX: ff11000002874740 RCX: 1ff4000000018eed
[    8.488331][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028747f8
[    8.488505][   T12] RBP: ff1100000d94c000 R08: 1fe220000050e900 R09: ff11000001b0d1d0
[    8.488676][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.488847][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.489027][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    8.489236][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.489388][   T12] CR2: 00007f3aed629ab0 CR3: 000000000c5bd002 CR4: 0000000000771ef0
[    8.489566][   T12] PKRU: 55555554
[    8.489652][   T12] Call Trace:
[    8.489738][   T12]  <TASK>
[    8.489798][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.489944][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.490085][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    8.490205][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    8.490327][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.490442][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    8.490558][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.490673][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.490789][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.490904][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.491023][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.491138][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.491259][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.491382][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.491496][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.491613][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.491730][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.491844][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.491962][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.492086][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.492209][   T12]  kthread (kernel/kthread.c:436)
[    8.492301][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.492445][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.492564][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.492684][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.492827][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.492941][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.493057][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.494167][   T12] ---[ end trace 0000000000000000 ]---
| [    8.505197][   T12] ------------[ cut here ]------------
| [    8.505341][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    8.505857][   T12] Tainted: [W]=WARN
[    8.505949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.506100][   T12] Workqueue: netns cleanup_net
[    8.506234][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.506401][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.506827][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[    8.506982][   T12] RAX: 00000000ffffffa6 RBX: ff11000002874900 RCX: 1ff4000000018eaf
[    8.507167][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028749b8
[    8.507365][   T12] RBP: ff1100000d179000 R08: 1fe220000050e938 R09: ff11000001b0d1d0
[    8.507544][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[    8.507723][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d07c000
[    8.507906][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    8.508118][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.508274][   T12] CR2: 00007f1695b78f98 CR3: 0000000031b49003 CR4: 0000000000771ef0
[    8.508460][   T12] PKRU: 55555554
[    8.508551][   T12] Call Trace:
[    8.508642][   T12]  <TASK>
[    8.508705][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.508831][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.508924][   T12]  netif_close_many (net/core/dev.c:1804)
[    8.509048][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.509174][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.509303][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.509425][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[    8.509548][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[    8.509707][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.509863][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.509985][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.510136][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.510260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.510387][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.510538][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    8.510664][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.510788][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.510910][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.511033][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.511159][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.511279][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.511408][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.511530][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.511649][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.511771][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.511891][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.512012][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.512137][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.512265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.512397][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.512522][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.512643][   T12]  kthread (kernel/kthread.c:436)
[    8.512734][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.512885][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.513005][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.513127][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.513284][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.513412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.513535][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.514691][   T12] ---[ end trace 0000000000000000 ]---
| [    8.516113][   T12] ------------[ cut here ]------------
| [    8.516245][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [    8.517252][   T12] Tainted: [W]=WARN
[    8.517404][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.517555][   T12] Workqueue: netns cleanup_net
[    8.517681][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.517839][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.518274][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[    8.518494][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ad86040 RCX: 1ff4000000018eaf
[    8.518676][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad860f8
[    8.518856][   T12] RBP: ff1100000d07c000 R08: 1fe22000015b0c20 R09: ff11000001b0d1d0
[    8.519038][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[    8.519298][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[    8.519481][   T12] FS:  0000000000000000(0000) GS:ff11000094430000(0000) knlGS:0000000000000000
[    8.519751][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.519975][   T12] CR2: 00007f1695b78f98 CR3: 0000000031b49003 CR4: 0000000000771ef0
[    8.520266][   T12] PKRU: 55555554
[    8.520509][   T12] Call Trace:
[    8.520651][   T12]  <TASK>
[    8.520745][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.520872][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.520996][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.521092][   T12]  netif_close_many (net/core/dev.c:1804)
[    8.521219][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.521420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.521542][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.521666][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[    8.521790][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[    8.521943][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.522095][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.522223][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.522442][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.522565][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.522687][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.522840][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    8.522964][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.523085][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.523215][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.523397][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.523521][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.523642][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.523765][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.523886][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.524006][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.524128][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.524254][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.524443][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.524568][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.524690][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.524815][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.524939][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.525061][   T12]  kthread (kernel/kthread.c:436)
[    8.525153][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.525484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.525607][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.525730][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.525882][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.526004][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.526127][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.527478][   T12] ---[ end trace 0000000000000000 ]---
| [    8.529227][   T12] ------------[ cut here ]------------
| [    8.529369][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [    8.529875][   T12] Tainted: [W]=WARN
[    8.529966][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.530111][   T12] Workqueue: netns cleanup_net
[    8.530239][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.530394][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.530810][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.530964][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ad87e00 RCX: 1ff4000000018ed5
[    8.531137][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad87eb8
[    8.531324][   T12] RBP: ff1100000d179000 R08: 1fe22000015b0fd8 R09: ff11000001b0d1d0
[    8.531497][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.531672][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.531860][   T12] FS:  0000000000000000(0000) GS:ff11000094330000(0000) knlGS:0000000000000000
[    8.532064][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.532216][   T12] CR2: 00007f1695b5a680 CR3: 0000000031b49002 CR4: 0000000000771ef0
[    8.532396][   T12] PKRU: 55555554
[    8.532483][   T12] Call Trace:
[    8.532574][   T12]  <TASK>
[    8.532634][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.532781][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.532924][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.533039][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.533154][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.533310][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.533426][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.533547][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.533665][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.533787][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.533902][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.534020][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.534138][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.534262][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.534386][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.534502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.534619][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.534739][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.534856][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.534977][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.535097][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.535217][   T12]  kthread (kernel/kthread.c:436)
[    8.535308][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.535454][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.535575][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.535690][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.535836][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.535954][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.536071][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.537177][   T12] ---[ end trace 0000000000000000 ]---
| [    8.553367][   T12] ------------[ cut here ]------------
| [    8.553499][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [    8.553993][   T12] Tainted: [W]=WARN
[    8.554083][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.554235][   T12] Workqueue: netns cleanup_net
[    8.554368][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.554523][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.554933][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.555087][   T12] RAX: 00000000ffffffa6 RBX: ff11000005d04580 RCX: 1ff4000000018ed5
[    8.555275][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d04638
[    8.555456][   T12] RBP: ff1100000d07c000 R08: 1fe2200000ba08c8 R09: ff11000001b0d1d0
[    8.555632][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.555808][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.555981][   T12] FS:  0000000000000000(0000) GS:ff11000094330000(0000) knlGS:0000000000000000
[    8.556189][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.556376][   T12] CR2: 00007f1695b5a680 CR3: 0000000031b49002 CR4: 0000000000771ef0
[    8.556552][   T12] PKRU: 55555554
[    8.556685][   T12] Call Trace:
[    8.556771][   T12]  <TASK>
[    8.556831][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.556979][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.557123][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.557243][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.557403][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.557552][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.557669][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.557794][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.557912][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.558030][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.558146][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.558270][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.558433][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.558548][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.558664][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.558779][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.558895][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.559012][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.559127][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.559251][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.559415][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.559529][   T12]  kthread (kernel/kthread.c:436)
[    8.559620][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.559764][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.559879][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.559994][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.560139][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.560261][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.560423][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.561573][   T12] ---[ end trace 0000000000000000 ]---
| [    8.562734][   T12] ------------[ cut here ]------------
| [    8.562853][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [    8.563356][   T12] Tainted: [W]=WARN
[    8.563444][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.563589][   T12] Workqueue: netns cleanup_net
[    8.563709][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.563863][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.564280][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.564431][   T12] RAX: 00000000ffffffa6 RBX: ff11000005d04c80 RCX: 1ff4000000018ed5
[    8.564603][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d04d38
[    8.564779][   T12] RBP: ff11000008829000 R08: 1fe2200000ba09a8 R09: ff11000001b0d1d0
[    8.564952][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.565125][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.565309][   T12] FS:  0000000000000000(0000) GS:ff11000094330000(0000) knlGS:0000000000000000
[    8.565510][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.565656][   T12] CR2: 00007f1695b5a680 CR3: 0000000031b49002 CR4: 0000000000771ef0
[    8.565829][   T12] PKRU: 55555554
[    8.565917][   T12] Call Trace:
[    8.566003][   T12]  <TASK>
[    8.566063][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.566214][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.566360][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.566475][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.566591][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.566739][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.566857][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.566974][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.567092][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.567215][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.567334][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.567454][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.567569][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.567685][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.567803][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.567918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.568037][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.568161][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.568278][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.568403][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.568521][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.568639][   T12]  kthread (kernel/kthread.c:436)
[    8.568727][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.568871][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.568987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.569102][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.569254][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.569377][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.569495][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.570599][   T12] ---[ end trace 0000000000000000 ]---
| [    8.615855][   T12] ------------[ cut here ]------------
| [    8.615996][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [    8.616502][   T12] Tainted: [W]=WARN
[    8.616590][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.616734][   T12] Workqueue: netns cleanup_net
[    8.616855][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.617004][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.617418][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    8.617560][   T12] RAX: 00000000ffffffa6 RBX: ff11000005d05a80 RCX: 1ff4000000018eed
[    8.617730][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d05b38
[    8.617903][   T12] RBP: ff1100000cda4000 R08: 1fe2200000ba0b68 R09: ff11000001b0d1d0
[    8.618072][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.618246][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.618420][   T12] FS:  0000000000000000(0000) GS:ff11000094330000(0000) knlGS:0000000000000000
[    8.618618][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.618759][   T12] CR2: 00007f1695b5a680 CR3: 0000000031b49002 CR4: 0000000000771ef0
[    8.618929][   T12] PKRU: 55555554
[    8.619014][   T12] Call Trace:
[    8.619099][   T12]  <TASK>
[    8.619164][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.619316][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.619458][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    8.619572][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    8.619689][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.619803][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    8.619918][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.620039][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.620162][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.620276][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.620398][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.620513][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.620627][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.620742][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.620856][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.620973][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.621089][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.621209][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.621332][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.621453][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.621568][   T12]  kthread (kernel/kthread.c:436)
[    8.621654][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.621797][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.621912][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.622027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.622173][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.622287][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.622696][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.623787][   T12] ---[ end trace 0000000000000000 ]---
| [    8.639017][   T12] ------------[ cut here ]------------
| [    8.639152][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [    8.639658][   T12] Tainted: [W]=WARN
[    8.639745][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.639888][   T12] Workqueue: netns cleanup_net
[    8.640011][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.640164][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.640582][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.640728][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd00200 RCX: 1ff4000000018ed5
[    8.640899][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd002b8
[    8.641072][   T12] RBP: ff1100000d101000 R08: 1fe22000017a0058 R09: ff11000001b0d1d0
[    8.641254][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.641433][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.641606][   T12] FS:  0000000000000000(0000) GS:ff11000094330000(0000) knlGS:0000000000000000
[    8.641808][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.641954][   T12] CR2: 00007f1695b5a680 CR3: 0000000031b49002 CR4: 0000000000771ef0
[    8.642127][   T12] PKRU: 55555554
[    8.642217][   T12] Call Trace:
[    8.642305][   T12]  <TASK>
[    8.642365][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.642511][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.642656][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.642774][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.642891][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.643007][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.643125][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.643247][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.643367][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.643487][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.643604][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.643719][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.643836][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.643950][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.644066][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.644191][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.644313][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.644434][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.644554][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.644671][   T12]  kthread (kernel/kthread.c:436)
[    8.644763][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.644908][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.645024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.645140][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.645313][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.645429][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


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