======================================
| xx__-> [   11.050748][  T206] ------------[ cut here ]------------
| [   11.050955][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   11.051227][  T206] Modules linked in:
| [   11.051639][  T206] Tainted: [W]=WARN
[   11.051738][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.051902][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.052075][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.052536][  T206] RSP: 0018:ffa0000000967a80 EFLAGS: 00010286
[   11.052742][  T206] RAX: 00000000ffffffa6 RBX: ff110000020dc580 RCX: 1ff400000012cf16
[   11.052954][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000020dc63c
[   11.053147][  T206] RBP: ff1100000259c000 R08: 1fe220000041b8c9 R09: ff1100000d36d180
[   11.053341][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.053537][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000259c000
[   11.053743][  T206] FS:  00007f726f805840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.053977][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.054143][  T206] CR2: 0000000000479648 CR3: 0000000004e45001 CR4: 0000000000771ef0
[   11.054342][  T206] PKRU: 55555554
[   11.054448][  T206] Call Trace:
[   11.054545][  T206]  <TASK>
[   11.054624][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.054756][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.054887][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.054987][  T206]  register_netdevice (net/core/dev.c:11488)
[   11.055118][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.055279][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.055412][  T206]  register_netdev (net/core/dev.c:11552)
[   11.055542][  T206]  loopback_net_init (drivers/net/loopback.c:218)
[   11.055740][  T206]  ops_init (net/core/net_namespace.c:137)
[   11.055880][  T206]  setup_net (net/core/net_namespace.c:446)
[   11.055978][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.056106][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.056236][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.056370][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   11.056500][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.056642][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.056771][  T206]  ksys_unshare (kernel/fork.c:3243)
[   11.056902][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.057033][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.057162][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.057296][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   11.057427][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.057560][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.057695][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.057823][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.057954][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.058082][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.058243][  T206] RIP: 0033:0x7f726fac7bcb
[   11.058381][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.058854][  T206] RSP: 002b:00007ffd98a8cea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.059051][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f726fac7bcb
[   11.059246][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.059438][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.059638][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd98a8f0d0
[   11.059830][  T206] R13: 0000000000000001 R14: 00007f726f8056f8 R15: 00007ffd98a90879
| [   11.064247][  T206] ------------[ cut here ]------------
| [   11.064385][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   11.065100][  T206] Modules linked in:
| [   11.065469][  T206] Tainted: [W]=WARN
[   11.065627][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.065789][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.065957][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.066415][  T206] RSP: 0018:ffa0000000967918 EFLAGS: 00010286
[   11.066638][  T206] RAX: 00000000ffffffa6 RBX: ff1100000bf59380 RCX: 1ff400000012cee9
[   11.066885][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf5943c
[   11.067080][  T206] RBP: ff1100000f1b4000 R08: 1fe22000017eb289 R09: ff1100000d36d180
[   11.067272][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.067463][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1b4000
[   11.067716][  T206] FS:  00007f726f805840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.067946][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.068109][  T206] CR2: 0000000000479648 CR3: 0000000004e45001 CR4: 0000000000771ef0
[   11.068303][  T206] PKRU: 55555554
[   11.068402][  T206] Call Trace:
[   11.068499][  T206]  <TASK>
[   11.068623][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.068753][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.068885][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.068983][  T206]  register_netdevice (net/core/dev.c:11488)
[   11.069113][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.069273][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.069404][  T206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.069536][  T206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.069721][  T206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.069852][  T206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.069983][  T206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.070113][  T206]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.070246][  T206]  ops_init (net/core/net_namespace.c:137)
[   11.070346][  T206]  setup_net (net/core/net_namespace.c:446)
[   11.070445][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.070608][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.070738][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.070870][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   11.071000][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.071132][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.071262][  T206]  ksys_unshare (kernel/fork.c:3243)
[   11.071393][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.071523][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.071665][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.071795][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   11.071925][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.072056][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.072187][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.072317][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.072446][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.072585][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.072747][  T206] RIP: 0033:0x7f726fac7bcb
[   11.072884][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.073344][  T206] RSP: 002b:00007ffd98a8cea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.073538][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f726fac7bcb
[   11.073739][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.073930][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.074121][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd98a8f0d0
[   11.074313][  T206] R13: 0000000000000001 R14: 00007f726f8056f8 R15: 00007ffd98a90879
| [   11.086028][  T206] ------------[ cut here ]------------
| [   11.086169][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   11.086398][  T206] Modules linked in:
| [   11.086826][  T206] Tainted: [W]=WARN
[   11.086925][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.087089][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.087261][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.087737][  T206] RSP: 0018:ffa00000009678f8 EFLAGS: 00010286
[   11.087904][  T206] RAX: 00000000ffffffa6 RBX: ff11000009941380 RCX: 1ff400000012cee5
[   11.088101][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000994143c
[   11.088296][  T206] RBP: ff1100000f301000 R08: 1fe2200001328289 R09: ff1100000d36d180
[   11.088491][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.088694][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f301000
[   11.088895][  T206] FS:  00007f726f805840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.089151][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.089314][  T206] CR2: 0000000000479648 CR3: 0000000004e45001 CR4: 0000000000771ef0
[   11.089511][  T206] PKRU: 55555554
[   11.089618][  T206] Call Trace:
[   11.089717][  T206]  <TASK>
[   11.089788][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.089922][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.090054][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.090154][  T206]  register_netdevice (net/core/dev.c:11488)
[   11.090285][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.090447][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.090590][  T206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.090722][  T206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.090855][  T206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.090986][  T206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.091116][  T206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.091247][  T206]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.091379][  T206]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.091512][  T206]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.091654][  T206]  ops_init (net/core/net_namespace.c:137)
[   11.091755][  T206]  setup_net (net/core/net_namespace.c:446)
[   11.091856][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.091985][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.092116][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.092249][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   11.092382][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.092515][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.092656][  T206]  ksys_unshare (kernel/fork.c:3243)
[   11.092788][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.092920][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.093051][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.093182][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   11.093314][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.093445][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.093582][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.093715][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.093849][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.093980][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.094141][  T206] RIP: 0033:0x7f726fac7bcb
[   11.094276][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.094752][  T206] RSP: 002b:00007ffd98a8cea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.094948][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f726fac7bcb
[   11.095141][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.095335][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.095529][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd98a8f0d0
[   11.095733][  T206] R13: 0000000000000001 R14: 00007f726f8056f8 R15: 00007ffd98a90879
| [   11.099842][  T206] ------------[ cut here ]------------
| [   11.099979][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   11.100202][  T206] Modules linked in:
| [   11.100588][  T206] Tainted: [W]=WARN
[   11.100689][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.100850][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.101016][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.101473][  T206] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[   11.101645][  T206] RAX: 00000000ffffffa6 RBX: ff11000009941000 RCX: 1ff400000012cf15
[   11.101837][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099410bc
[   11.102028][  T206] RBP: ff1100000f451000 R08: 1fe2200001328219 R09: ff1100000d36d180
[   11.102220][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.102415][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f451000
[   11.102624][  T206] FS:  00007f726f805840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.102850][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.103010][  T206] CR2: 0000000000479648 CR3: 0000000004e45001 CR4: 0000000000771ef0
[   11.103206][  T206] PKRU: 55555554
[   11.103302][  T206] Call Trace:
[   11.103398][  T206]  <TASK>
[   11.103464][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.103603][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.103733][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.103830][  T206]  register_netdevice (net/core/dev.c:11488)
[   11.103961][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.104122][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.104253][  T206]  register_netdev (net/core/dev.c:11552)
[   11.104382][  T206]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.104513][  T206]  ops_init (net/core/net_namespace.c:137)
[   11.104623][  T206]  setup_net (net/core/net_namespace.c:446)
[   11.104720][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.104849][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.104979][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.105109][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   11.105239][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.105371][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.105501][  T206]  ksys_unshare (kernel/fork.c:3243)
[   11.105639][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.105768][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.105900][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.106028][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   11.106159][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.106288][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.106416][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.106545][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.106682][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.106813][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.106976][  T206] RIP: 0033:0x7f726fac7bcb
[   11.107112][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.107578][  T206] RSP: 002b:00007ffd98a8cea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.107772][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f726fac7bcb
[   11.107966][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.108160][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.108352][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd98a8f0d0
[   11.108544][  T206] R13: 0000000000000001 R14: 00007f726f8056f8 R15: 00007ffd98a90879
| [   11.112701][  T206] ------------[ cut here ]------------
| [   11.112837][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   11.113063][  T206] Modules linked in:
| [   11.113421][  T206] Tainted: [W]=WARN
[   11.113520][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.113695][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.113865][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.114324][  T206] RSP: 0018:ffa0000000967a68 EFLAGS: 00010286
[   11.114488][  T206] RAX: 00000000ffffffa6 RBX: ff11000008d4e900 RCX: 1ff400000012cf13
[   11.114694][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4e9bc
[   11.114888][  T206] RBP: ff1100000b999000 R08: 1fe22000011a9d39 R09: ff1100000d36d180
[   11.115082][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.115276][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b999000
[   11.115472][  T206] FS:  00007f726f805840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.115708][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.115871][  T206] CR2: 0000000000479648 CR3: 0000000004e45001 CR4: 0000000000771ef0
[   11.116065][  T206] PKRU: 55555554
[   11.116163][  T206] Call Trace:
[   11.116259][  T206]  <TASK>
[   11.116326][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.116457][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.116598][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.116698][  T206]  register_netdevice (net/core/dev.c:11488)
[   11.116828][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.116993][  T206]  register_netdev (net/core/dev.c:11552)
[   11.117124][  T206]  sit_init_net (net/ipv6/sit.c:1860)
[   11.117255][  T206]  ops_init (net/core/net_namespace.c:137)
[   11.117354][  T206]  setup_net (net/core/net_namespace.c:446)
[   11.117453][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.117593][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.117723][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.117854][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   11.117985][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.118118][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.118249][  T206]  ksys_unshare (kernel/fork.c:3243)
[   11.118380][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.118509][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.118648][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.118781][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   11.118913][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.119042][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.119171][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.119302][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.119430][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.119568][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.119729][  T206] RIP: 0033:0x7f726fac7bcb
[   11.119867][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.120331][  T206] RSP: 002b:00007ffd98a8cea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.120526][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f726fac7bcb
[   11.120727][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.120922][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.121115][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd98a8f0d0
[   11.121308][  T206] R13: 0000000000000001 R14: 00007f726f8056f8 R15: 00007ffd98a90879
| [   11.126064][  T206] ------------[ cut here ]------------
| [   11.126203][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   11.126426][  T206] Modules linked in:
| [   11.126799][  T206] Tainted: [W]=WARN
[   11.126899][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.127064][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.127233][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.127702][  T206] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[   11.127868][  T206] RAX: 00000000ffffffa6 RBX: ff11000009a343c0 RCX: 1ff400000012cf15
[   11.128061][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a3447c
[   11.128254][  T206] RBP: ff11000006144000 R08: 1fe2200001346891 R09: ff1100000d36d180
[   11.128448][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.128656][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006144000
[   11.128851][  T206] FS:  00007f726f805840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.129079][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.129243][  T206] CR2: 0000000000479648 CR3: 0000000004e45001 CR4: 0000000000771ef0
[   11.129441][  T206] PKRU: 55555554
[   11.129540][  T206] Call Trace:
[   11.129644][  T206]  <TASK>
[   11.129710][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.129842][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.129972][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.130071][  T206]  register_netdevice (net/core/dev.c:11488)
[   11.130203][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.130364][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.130499][  T206]  register_netdev (net/core/dev.c:11552)
[   11.130640][  T206]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.130771][  T206]  ops_init (net/core/net_namespace.c:137)
[   11.130872][  T206]  setup_net (net/core/net_namespace.c:446)
[   11.130970][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.131098][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.131229][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.131364][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   11.131496][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.131643][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.131774][  T206]  ksys_unshare (kernel/fork.c:3243)
[   11.131905][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.132034][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.132165][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.132298][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   11.132431][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.132570][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.132701][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.132830][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.132960][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.133092][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.133255][  T206] RIP: 0033:0x7f726fac7bcb
[   11.133392][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.133862][  T206] RSP: 002b:00007ffd98a8cea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.134057][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f726fac7bcb
[   11.134251][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.134444][  T206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   11.134644][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd98a8f0d0
[   11.134837][  T206] R13: 0000000000000001 R14: 00007f726f8056f8 R15: 00007ffd98a90879
| [   11.165587][  T207] ------------[ cut here ]------------
| [   11.165771][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [   11.166047][  T207] Modules linked in:
| [   11.166498][  T207] Tainted: [W]=WARN
[   11.167144][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.167354][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.167589][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.168087][  T207] RSP: 0018:ffa0000000927020 EFLAGS: 00010286
[   11.168296][  T207] RAX: 00000000ffffffa6 RBX: ff11000004e6f380 RCX: 1ff4000000124dca
[   11.168534][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e6f43c
[   11.168790][  T207] RBP: ff1100000259c000 R08: 1fe22000009cde89 R09: ff1100000d378b58
[   11.169025][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.169260][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.169500][  T207] FS:  00007f888ca5c840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   11.169789][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.169996][  T207] CR2: 000000000fabc988 CR3: 000000000df7f002 CR4: 0000000000771ef0
[   11.170236][  T207] PKRU: 55555554
[   11.170378][  T207] Call Trace:
[   11.170521][  T207]  <TASK>
[   11.170652][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.170831][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.170977][  T207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.171150][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[   11.171326][  T207]  ? netif_change_name (net/core/dev.c:1495)
[   11.171501][  T207]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.171696][  T207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.171875][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.172053][  T207]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.172231][  T207]  netif_change_flags (net/core/dev.c:9820)
[   11.172408][  T207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.172603][  T207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.172783][  T207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.172959][  T207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.173171][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.173346][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.173521][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.173711][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.173888][  T207]  ? __kernel_text_address (kernel/extable.c:79)
[   11.174065][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.174243][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.174421][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.174614][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.174791][  T207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.174965][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.175141][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.175318][  T207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.175494][  T207]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.175688][  T207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.175868][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.176046][  T207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.176224][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.176401][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.176595][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.176770][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.176947][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.177121][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.177298][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.177477][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.177671][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.177850][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.178026][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.178214][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.178390][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.178588][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.178764][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.178939][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.179116][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.179290][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.179466][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.179662][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.179839][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.180020][  T207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.180194][  T207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.180372][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.180549][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.180744][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.180921][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.181098][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.181277][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.181455][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.181646][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.181822][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.182026][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[   11.182203][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.182379][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.182627][  T207]  ___sys_sendmsg (net/socket.c:2752)
[   11.182808][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.183014][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.183202][  T207]  __sys_sendmsg (net/socket.c:2784)
[   11.183379][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.183551][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.183781][  T207]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.183959][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.184137][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.184311][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.184486][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.184677][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.184881][  T207] RIP: 0033:0x7f888cc9608e
[   11.185062][  T207] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.185583][  T207] RSP: 002b:00007ffc94b41f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.185822][  T207] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f888cc9608e
[   11.186060][  T207] RDX: 0000000000000000 RSI: 00007ffc94b42030 RDI: 0000000000000005
[   11.186298][  T207] RBP: 00007ffc94b41f90 R08: 0000000000000000 R09: 0000000000000000
[   11.186535][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e960
[   11.186792][  T207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc94b42700
| [   11.336176][   T68] ------------[ cut here ]------------
| [   11.336342][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   11.336660][   T68] Modules linked in:
| [   11.337059][   T68] Tainted: [W]=WARN
[   11.337148][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.337296][   T68] Workqueue: netns cleanup_net
[   11.337425][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.337592][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.338022][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   11.338172][   T68] RAX: 00000000ffffffa6 RBX: ff11000009a34ac0 RCX: 1ff4000000092eed
[   11.338349][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a34b7c
[   11.338524][   T68] RBP: ff11000006144000 R08: 1fe2200001346971 R09: ff11000009092ed0
[   11.338708][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.338887][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.339069][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.339281][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.339430][   T68] CR2: 00007f62d841f574 CR3: 000000001434d002 CR4: 0000000000771ef0
[   11.339624][   T68] PKRU: 55555554
[   11.339712][   T68] Call Trace:
[   11.339800][   T68]  <TASK>
[   11.339862][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.340017][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.340162][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   11.340282][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.340403][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.340520][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.340651][   T68]  ? 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)
[   11.340770][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.340889][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   11.341005][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.341130][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   11.341248][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.341365][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.341483][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.341613][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.341732][   T68]  process_one_work (kernel/workqueue.c:3314)
[   11.341853][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.341970][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.342091][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.342210][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.342327][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.342447][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.342573][   T68]  kthread (kernel/kthread.c:436)
[   11.342663][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.342812][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.342928][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.343048][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.343194][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.343312][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.343429][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.345798][   T68] ------------[ cut here ]------------
| [   11.345926][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   11.346155][   T68] Modules linked in:
| [   11.346515][   T68] Tainted: [W]=WARN
[   11.346637][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.346785][   T68] Workqueue: netns cleanup_net
[   11.346909][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.347063][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.347485][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   11.347641][   T68] RAX: 00000000ffffffa6 RBX: ff11000008d4e740 RCX: 1ff4000000092eed
[   11.347816][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4e7fc
[   11.347992][   T68] RBP: ff1100000b999000 R08: 1fe22000011a9d01 R09: ff11000009092ed0
[   11.348167][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.348342][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.348519][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.348736][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.348888][   T68] CR2: 00007f62d841f574 CR3: 000000001434d002 CR4: 0000000000771ef0
[   11.349074][   T68] PKRU: 55555554
[   11.349162][   T68] Call Trace:
[   11.349251][   T68]  <TASK>
[   11.349313][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.349464][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.349621][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   11.349738][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.349859][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.349982][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.350103][   T68]  ? 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)
[   11.350223][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.350345][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   11.350464][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.350597][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   11.350717][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.350840][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.350960][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.351077][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.351198][   T68]  process_one_work (kernel/workqueue.c:3314)
[   11.351321][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.351441][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.351573][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.351696][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.351819][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.351937][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.352054][   T68]  kthread (kernel/kthread.c:436)
[   11.352143][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.352289][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.352410][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.352529][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.352684][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.352805][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.352924][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.355063][   T68] ------------[ cut here ]------------
| [   11.355179][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   11.355409][   T68] Modules linked in:
| [   11.356251][   T68] Tainted: [W]=WARN
[   11.356389][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.356539][   T68] Workqueue: netns cleanup_net
[   11.356716][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.356871][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.357292][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   11.357440][   T68] RAX: 00000000ffffffa6 RBX: ff11000008d4f000 RCX: 1ff4000000092eed
[   11.357666][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4f0bc
[   11.357842][   T68] RBP: ff1100000f451000 R08: 1fe22000011a9e19 R09: ff11000009092ed0
[   11.358018][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.358197][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.358374][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.358631][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.358785][   T68] CR2: 00007f62d841f574 CR3: 000000001434d002 CR4: 0000000000771ef0
[   11.358961][   T68] PKRU: 55555554
[   11.359049][   T68] Call Trace:
[   11.359137][   T68]  <TASK>
[   11.359198][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.359348][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.359493][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   11.359661][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.359783][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.359902][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.360020][   T68]  ? 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)
[   11.360140][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.360260][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   11.360377][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.360499][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   11.360667][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.360787][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.360906][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.361023][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.361143][   T68]  process_one_work (kernel/workqueue.c:3314)
[   11.361264][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.361381][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.361504][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.361672][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.361790][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.361908][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.362029][   T68]  kthread (kernel/kthread.c:436)
[   11.362118][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.362268][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.362388][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.362514][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.362714][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.362833][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.362949][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.366197][   T68] ------------[ cut here ]------------
| [   11.366330][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   11.366578][   T68] Modules linked in:
| [   11.366942][   T68] Tainted: [W]=WARN
[   11.367030][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.367176][   T68] Workqueue: netns cleanup_net
[   11.367298][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.367458][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.367890][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   11.368038][   T68] RAX: 00000000ffffffa6 RBX: ff11000009a34c80 RCX: 1ff4000000092eed
[   11.368211][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a34d3c
[   11.368390][   T68] RBP: ff1100000f301000 R08: 1fe22000013469a9 R09: ff11000009092ed0
[   11.368575][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.368750][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.368927][   T68] FS:  0000000000000000(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   11.369134][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.369284][   T68] CR2: 0000557d510c20d8 CR3: 000000001434d004 CR4: 0000000000771ef0
[   11.369459][   T68] PKRU: 55555554
[   11.369546][   T68] Call Trace:
[   11.369693][   T68]  <TASK>
[   11.369755][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.369906][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.370099][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   11.370217][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.370336][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.370453][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.370629][   T68]  ? 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)
[   11.370747][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.370868][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   11.370985][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.371110][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   11.371228][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.371350][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.371469][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.371637][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.371755][   T68]  process_one_work (kernel/workqueue.c:3314)
[   11.371877][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.371993][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.372121][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.372241][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.372357][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.372477][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.372620][   T68]  kthread (kernel/kthread.c:436)
[   11.372708][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.372852][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.372969][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.373085][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.373231][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.373347][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.373466][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.375421][   T68] ------------[ cut here ]------------
| [   11.375541][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   11.375786][   T68] Modules linked in:
| [   11.376194][   T68] Tainted: [W]=WARN
[   11.376283][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.376427][   T68] Workqueue: netns cleanup_net
[   11.376547][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.376849][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.377268][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   11.377413][   T68] RAX: 00000000ffffffa6 RBX: ff11000009a34e40 RCX: 1ff4000000092eed
[   11.377641][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a34efc
[   11.377814][   T68] RBP: ff1100000f1b4000 R08: 1fe22000013469e1 R09: ff11000009092ed0
[   11.378033][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.378208][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.378383][   T68] FS:  0000000000000000(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   11.378601][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.378746][   T68] CR2: 0000557d510c20d8 CR3: 000000001434d004 CR4: 0000000000771ef0
[   11.378921][   T68] PKRU: 55555554
[   11.379009][   T68] Call Trace:
[   11.379096][   T68]  <TASK>
[   11.379157][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.379304][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.379454][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   11.379577][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.379694][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.379812][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.379930][   T68]  ? 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)
[   11.380048][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.380166][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   11.380281][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.380401][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   11.380517][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.380641][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.380759][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.380876][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.380993][   T68]  process_one_work (kernel/workqueue.c:3314)
[   11.381112][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.381227][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.381347][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.381465][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.381589][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.381706][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.381823][   T68]  kthread (kernel/kthread.c:436)
[   11.381910][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.382055][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.382172][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.382293][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.382442][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.382573][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.382690][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.402965][   T68] ------------[ cut here ]------------
| [   11.403157][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   11.403452][   T68] Modules linked in:
| [   11.403907][   T68] Tainted: [W]=WARN
[   11.404009][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.404165][   T68] Workqueue: netns cleanup_net
[   11.404292][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.404456][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.404996][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   11.405152][   T68] RAX: 00000000ffffffa6 RBX: ff11000008d4f540 RCX: 1ff4000000092eaf
[   11.405335][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4f5fc
[   11.405525][   T68] RBP: ff1100000259c000 R08: 1fe22000011a9ec1 R09: ff11000009092ed0
[   11.405764][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   11.405945][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   11.406134][   T68] FS:  0000000000000000(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   11.406351][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.406505][   T68] CR2: 0000557d510c20d8 CR3: 000000001434d004 CR4: 0000000000771ef0
[   11.406742][   T68] PKRU: 55555554
[   11.406835][   T68] Call Trace:
[   11.406927][   T68]  <TASK>
[   11.406991][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.407118][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.407212][   T68]  netif_close_many (net/core/dev.c:1804)
[   11.407335][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.407458][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.407636][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.407760][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   11.407884][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.408039][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.408195][   T68]  ? 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)
[   11.408319][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.408441][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   11.408618][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.408774][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   11.408900][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.409025][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.409151][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   11.409274][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   11.409400][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.409527][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   11.409712][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.409839][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   11.409963][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.410087][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.410212][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.410335][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.410460][   T68]  process_one_work (kernel/workqueue.c:3314)
[   11.410642][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.410767][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.410895][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.411022][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.411147][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.411271][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.411394][   T68]  kthread (kernel/kthread.c:436)
[   11.411487][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.411670][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.411794][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.411917][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.412072][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.412197][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.412321][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.416143][   T68] ------------[ cut here ]------------
| [   11.416281][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   11.416520][   T68] Modules linked in:
| [   11.416942][   T68] Tainted: [W]=WARN
[   11.417034][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.417184][   T68] Workqueue: netns cleanup_net
[   11.417309][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.417465][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.417916][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   11.418066][   T68] RAX: 00000000ffffffa6 RBX: ff1100000bf58ac0 RCX: 1ff4000000092ed5
[   11.418243][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf58b7c
[   11.418421][   T68] RBP: ff1100000259c000 R08: 1fe22000017eb171 R09: ff11000009092ed0
[   11.418609][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.418787][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.418970][   T68] FS:  0000000000000000(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   11.419178][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.419327][   T68] CR2: 0000557d510c20d8 CR3: 000000001434d004 CR4: 0000000000771ef0
[   11.419508][   T68] PKRU: 55555554
[   11.419604][   T68] Call Trace:
[   11.419694][   T68]  <TASK>
[   11.419757][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.419908][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.420075][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   11.420197][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.420319][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.420441][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   11.420617][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   11.420739][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.420860][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   11.420979][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.421101][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   11.421221][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.421350][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.421472][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.421648][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.421866][   T68]  process_one_work (kernel/workqueue.c:3314)
[   11.422006][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.422130][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.422308][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.422435][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.422628][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.422750][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.422872][   T68]  kthread (kernel/kthread.c:436)
[   11.422963][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.423111][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.423231][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.423351][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.423501][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.423673][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.423792][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.657447][  T225] ------------[ cut here ]------------
| [   11.657667][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/225
| [   11.657945][  T225] Modules linked in: netdevsim psample
| [   11.658443][  T225] Tainted: [W]=WARN
[   11.658607][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.658818][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.659037][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.659544][  T225] RSP: 0018:ffa0000000587a80 EFLAGS: 00010286
[   11.659775][  T225] RAX: 00000000ffffffa6 RBX: ff1100000c3fb000 RCX: 1ff40000000b0f16
[   11.660015][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3fb0bc
[   11.660256][  T225] RBP: ff1100000a70c000 R08: 1fe220000187f619 R09: ff1100000ea80b80
[   11.660499][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.660760][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a70c000
[   11.661002][  T225] FS:  00007f93ae143840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   11.661283][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.661497][  T225] CR2: 00007f93ae34a430 CR3: 000000000e8f7001 CR4: 0000000000771ef0
[   11.661760][  T225] PKRU: 55555554
[   11.661904][  T225] Call Trace:
[   11.662053][  T225]  <TASK>
[   11.662168][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.662347][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.662526][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.662690][  T225]  register_netdevice (net/core/dev.c:11488)
[   11.662871][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.663081][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.663263][  T225]  register_netdev (net/core/dev.c:11552)
[   11.663441][  T225]  loopback_net_init (drivers/net/loopback.c:218)
[   11.663639][  T225]  ops_init (net/core/net_namespace.c:137)
[   11.663791][  T225]  setup_net (net/core/net_namespace.c:446)
[   11.663940][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.664118][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.664299][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.664482][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   11.664680][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.664862][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.665041][  T225]  ksys_unshare (kernel/fork.c:3243)
[   11.665220][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.665400][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.665596][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.665779][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   11.665960][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.666137][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.666316][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.666494][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.666692][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.666875][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.667086][  T225] RIP: 0033:0x7f93ae405bcb
[   11.667273][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.667799][  T225] RSP: 002b:00007ffd34bc7c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.668042][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f93ae405bcb
[   11.668284][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.668524][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.668779][  T225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd34bc9e40
[   11.669020][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd34bca879
| [   11.673735][  T225] ------------[ cut here ]------------
| [   11.673919][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/225
| [   11.674191][  T225] Modules linked in: netdevsim psample
| [   11.675094][  T225] Tainted: [W]=WARN
[   11.675235][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.675442][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.675678][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.676184][  T225] RSP: 0018:ffa0000000587918 EFLAGS: 00010286
[   11.676396][  T225] RAX: 00000000ffffffa6 RBX: ff1100000c583a80 RCX: 1ff40000000b0ee9
[   11.676653][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c583b3c
[   11.676894][  T225] RBP: ff11000009311000 R08: 1fe22000018b0769 R09: ff1100000ea80b80
[   11.677133][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.677373][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009311000
[   11.677633][  T225] FS:  00007f93ae143840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   11.677910][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.678123][  T225] CR2: 00007f93ae34a430 CR3: 000000000e8f7001 CR4: 0000000000771ef0
[   11.678364][  T225] PKRU: 55555554
[   11.678507][  T225] Call Trace:
[   11.678671][  T225]  <TASK>
[   11.678787][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.678966][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.679143][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.679291][  T225]  register_netdevice (net/core/dev.c:11488)
[   11.679469][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.679697][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.679880][  T225]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.680063][  T225]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.680240][  T225]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.680418][  T225]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.680615][  T225]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.680795][  T225]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.680974][  T225]  ops_init (net/core/net_namespace.c:137)
[   11.681121][  T225]  setup_net (net/core/net_namespace.c:446)
[   11.681268][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.681443][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.681641][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.681824][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   11.682001][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.682181][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.682358][  T225]  ksys_unshare (kernel/fork.c:3243)
[   11.682535][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.682730][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.682909][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.683089][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   11.683268][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.683444][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.683638][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.683817][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.683995][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.684172][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.684381][  T225] RIP: 0033:0x7f93ae405bcb
[   11.684583][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.685085][  T225] RSP: 002b:00007ffd34bc7c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.685327][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f93ae405bcb
[   11.685587][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.685826][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.686065][  T225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd34bc9e40
[   11.686306][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd34bca879
| [   11.690553][  T225] ------------[ cut here ]------------
| [   11.690798][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/225
| [   11.691074][  T225] Modules linked in: netdevsim psample
| [   11.691588][  T225] Tainted: [W]=WARN
[   11.691736][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.691949][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.692166][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.692699][  T225] RSP: 0018:ffa00000005878f8 EFLAGS: 00010286
[   11.692915][  T225] RAX: 00000000ffffffa6 RBX: ff1100000c582ac0 RCX: 1ff40000000b0ee5
[   11.693156][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c582b7c
[   11.693401][  T225] RBP: ff1100000f514000 R08: 1fe22000018b0571 R09: ff1100000ea80b80
[   11.693660][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.693904][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f514000
[   11.694147][  T225] FS:  00007f93ae143840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   11.694425][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.694657][  T225] CR2: 00007f93ae34a430 CR3: 000000000e8f7001 CR4: 0000000000771ef0
[   11.694902][  T225] PKRU: 55555554
[   11.695047][  T225] Call Trace:
[   11.695191][  T225]  <TASK>
[   11.695306][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.695485][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.695703][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.695853][  T225]  register_netdevice (net/core/dev.c:11488)
[   11.696033][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.696244][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.696426][  T225]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.696625][  T225]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.696806][  T225]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.696990][  T225]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.697170][  T225]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.697352][  T225]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.697532][  T225]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.697733][  T225]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.697916][  T225]  ops_init (net/core/net_namespace.c:137)
[   11.698064][  T225]  setup_net (net/core/net_namespace.c:446)
[   11.698212][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.698393][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.698589][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.698771][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   11.698953][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.699136][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.699314][  T225]  ksys_unshare (kernel/fork.c:3243)
[   11.699493][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.699697][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.699883][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.700063][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   11.700243][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.700423][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.700616][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.700798][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.700980][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.701160][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.701369][  T225] RIP: 0033:0x7f93ae405bcb
[   11.701553][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.702083][  T225] RSP: 002b:00007ffd34bc7c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.702329][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f93ae405bcb
[   11.702587][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.702830][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.703073][  T225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd34bc9e40
[   11.703316][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd34bca879
| [   11.707815][  T225] ------------[ cut here ]------------
| [   11.707992][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/225
| [   11.708263][  T225] Modules linked in: netdevsim psample
| [   11.708770][  T225] Tainted: [W]=WARN
[   11.708914][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.709123][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.709341][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.709862][  T225] RSP: 0018:ffa0000000587a78 EFLAGS: 00010286
[   11.710078][  T225] RAX: 00000000ffffffa6 RBX: ff1100000c3fbc40 RCX: 1ff40000000b0f15
[   11.710315][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3fbcfc
[   11.710553][  T225] RBP: ff11000009209000 R08: 1fe220000187f7a1 R09: ff1100000ea80b80
[   11.710811][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.711052][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009209000
[   11.711292][  T225] FS:  00007f93ae143840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   11.711582][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.711791][  T225] CR2: 00007f93ae34a430 CR3: 000000000e8f7001 CR4: 0000000000771ef0
[   11.712031][  T225] PKRU: 55555554
[   11.712177][  T225] Call Trace:
[   11.712320][  T225]  <TASK>
[   11.712433][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.712631][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.712810][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.712958][  T225]  register_netdevice (net/core/dev.c:11488)
[   11.713136][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.713343][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.713529][  T225]  register_netdev (net/core/dev.c:11552)
[   11.713724][  T225]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.713904][  T225]  ops_init (net/core/net_namespace.c:137)
[   11.714051][  T225]  setup_net (net/core/net_namespace.c:446)
[   11.714198][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.714373][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.714551][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.714752][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   11.714931][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.715111][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.715288][  T225]  ksys_unshare (kernel/fork.c:3243)
[   11.715465][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.715662][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.715843][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.716024][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   11.716202][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.716380][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.716576][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.716756][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.716933][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.717111][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.717319][  T225] RIP: 0033:0x7f93ae405bcb
[   11.717503][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.718026][  T225] RSP: 002b:00007ffd34bc7c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.718268][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f93ae405bcb
[   11.718510][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.718766][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.719008][  T225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd34bc9e40
[   11.719246][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd34bca879
| [   11.725041][  T225] ------------[ cut here ]------------
| [   11.725215][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/225
| [   11.725483][  T225] Modules linked in: netdevsim psample
| [   11.726114][  T225] Tainted: [W]=WARN
[   11.726312][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.726591][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.726871][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.727430][  T225] RSP: 0018:ffa0000000587a68 EFLAGS: 00010286
[   11.727711][  T225] RAX: 00000000ffffffa6 RBX: ff1100000c3f4c80 RCX: 1ff40000000b0f13
[   11.728003][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3f4d3c
[   11.728297][  T225] RBP: ff1100000c65c000 R08: 1fe220000187e9a9 R09: ff1100000ea80b80
[   11.728607][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.728902][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c65c000
[   11.729197][  T225] FS:  00007f93ae143840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   11.729528][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.729802][  T225] CR2: 00007f93ae34a430 CR3: 000000000e8f7001 CR4: 0000000000771ef0
[   11.730096][  T225] PKRU: 55555554
[   11.730291][  T225] Call Trace:
[   11.730487][  T225]  <TASK>
[   11.730670][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.730903][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.731134][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.731333][  T225]  register_netdevice (net/core/dev.c:11488)
[   11.731584][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.731851][  T225]  register_netdev (net/core/dev.c:11552)
[   11.732082][  T225]  sit_init_net (net/ipv6/sit.c:1860)
[   11.732314][  T225]  ops_init (net/core/net_namespace.c:137)
[   11.732513][  T225]  setup_net (net/core/net_namespace.c:446)
[   11.732736][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.732970][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.733201][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.733431][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   11.733681][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.733917][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.734148][  T225]  ksys_unshare (kernel/fork.c:3243)
[   11.734382][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.734630][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.734864][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.735096][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   11.735327][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.735555][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.735854][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.736088][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.736319][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.736548][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.736826][  T225] RIP: 0033:0x7f93ae405bcb
[   11.737065][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.737644][  T225] RSP: 002b:00007ffd34bc7c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.737939][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f93ae405bcb
[   11.738230][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.738522][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.738834][  T225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd34bc9e40
[   11.739127][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd34bca879
| [   11.749533][  T225] ------------[ cut here ]------------
| [   11.749693][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/225
| [   11.749921][  T225] Modules linked in: netdevsim psample
| [   11.750323][  T225] Tainted: [W]=WARN
[   11.750424][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.750596][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.750766][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.751232][  T225] RSP: 0018:ffa0000000587a78 EFLAGS: 00010286
[   11.751398][  T225] RAX: 00000000ffffffa6 RBX: ff1100000cabd380 RCX: 1ff40000000b0f15
[   11.751606][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cabd43c
[   11.751806][  T225] RBP: ff1100000fa69000 R08: 1fe2200001957a89 R09: ff1100000ea80b80
[   11.752000][  T225] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.752196][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa69000
[   11.752395][  T225] FS:  00007f93ae143840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   11.752633][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.752796][  T225] CR2: 000055b7cfd4c908 CR3: 000000000e8f7003 CR4: 0000000000771ef0
[   11.752993][  T225] PKRU: 55555554
[   11.753091][  T225] Call Trace:
[   11.753188][  T225]  <TASK>
[   11.753257][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.753388][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.753520][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.753628][  T225]  register_netdevice (net/core/dev.c:11488)
[   11.753760][  T225]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.753922][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.754054][  T225]  register_netdev (net/core/dev.c:11552)
[   11.754185][  T225]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.754316][  T225]  ops_init (net/core/net_namespace.c:137)
[   11.754416][  T225]  setup_net (net/core/net_namespace.c:446)
[   11.754514][  T225]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.754654][  T225]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.754787][  T225]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.754919][  T225]  copy_net_ns (net/core/net_namespace.c:579)
[   11.755052][  T225]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.755184][  T225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.755315][  T225]  ksys_unshare (kernel/fork.c:3243)
[   11.755444][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.755581][  T225]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.755711][  T225]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.755843][  T225]  ? __ia32_sys_open (fs/open.c:1374)
[   11.755975][  T225]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.756104][  T225]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.756234][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.756363][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.756492][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.756632][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.756794][  T225] RIP: 0033:0x7f93ae405bcb
[   11.756929][  T225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.757395][  T225] RSP: 002b:00007ffd34bc7c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.757600][  T225] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f93ae405bcb
[   11.757794][  T225] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.757988][  T225] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.758180][  T225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd34bc9e40
[   11.758373][  T225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd34bca879
| [   11.785734][  T226] ------------[ cut here ]------------
| [   11.785920][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/226
| [   11.786192][  T226] Modules linked in: netdevsim psample
| [   11.787390][  T226] Tainted: [W]=WARN
[   11.787611][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.787868][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.788081][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.788599][  T226] RSP: 0018:ffa0000000577020 EFLAGS: 00010286
[   11.788815][  T226] RAX: 00000000ffffffa6 RBX: ff11000008c58e40 RCX: 1ff40000000aedca
[   11.789051][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008c58efc
[   11.789288][  T226] RBP: ff1100000a70c000 R08: 1fe220000118b1e1 R09: ff1100000f2f5158
[   11.789533][  T226] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.789794][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.790033][  T226] FS:  00007f5345a7c840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   11.790303][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.790510][  T226] CR2: 00000000008b2988 CR3: 000000000f664003 CR4: 0000000000771ef0
[   11.790772][  T226] PKRU: 55555554
[   11.790916][  T226] Call Trace:
[   11.791059][  T226]  <TASK>
[   11.791174][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.791352][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.791498][  T226]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.791692][  T226]  __dev_notify_flags (net/core/dev.c:9787)
[   11.791872][  T226]  ? netif_change_name (net/core/dev.c:1495)
[   11.792047][  T226]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.792226][  T226]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.792401][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.792596][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.792776][  T226]  netif_change_flags (net/core/dev.c:9820)
[   11.792953][  T226]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.793129][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.793311][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.793488][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.793711][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.793887][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.794064][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.794238][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.794416][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   11.794613][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.794792][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.794967][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.795144][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.795320][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.795495][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.795689][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.795868][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.796046][  T226]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.796221][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.796398][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.796593][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.796773][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.796954][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.797132][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.797309][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.797485][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.797678][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.797854][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.798034][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.798208][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.798384][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.798576][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.798758][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.798934][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.799110][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.799285][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.799461][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.799658][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.799834][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.800012][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.800192][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.800368][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.800547][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.800741][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.800919][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.801097][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.801272][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.801452][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.801647][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.801825][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.802003][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.802181][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.802357][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.802580][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   11.802760][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.802937][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.803115][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   11.803289][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.803497][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.803705][  T226]  __sys_sendmsg (net/socket.c:2784)
[   11.803883][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.804058][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.804272][  T226]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.804448][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.804642][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.804818][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.804993][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.805170][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.805376][  T226] RIP: 0033:0x7f5345cb608e
[   11.805577][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.806079][  T226] RSP: 002b:00007fffddd0b4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.806320][  T226] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5345cb608e
[   11.806577][  T226] RDX: 0000000000000000 RSI: 00007fffddd0b570 RDI: 0000000000000005
[   11.806816][  T226] RBP: 00007fffddd0b4d0 R08: 0000000000000000 R09: 0000000000000000
[   11.807053][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e960
[   11.807290][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffddd0bc40
| [   11.901781][  T229] ------------[ cut here ]------------
| [   11.902026][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/229
| [   11.902260][  T229] Modules linked in: netdevsim psample
| [   11.902941][  T229] Tainted: [W]=WARN
[   11.903043][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.903209][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.903383][  T229] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.903925][  T229] RSP: 0018:ffa00000005a71b0 EFLAGS: 00010286
[   11.904093][  T229] RAX: 00000000ffffffa6 RBX: ff1100000bf84ac0 RCX: 1ff40000000b4dfc
[   11.904293][  T229] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf84b7c
[   11.904491][  T229] RBP: ff1100000a7a4000 R08: 1fe22000017f0971 R09: ff1100000a7d0ba8
[   11.904752][  T229] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.904951][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.905210][  T229] FS:  00007f638c552840(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   11.905444][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.905673][  T229] CR2: 0000557d33634d5c CR3: 000000000dd98006 CR4: 0000000000771ef0
[   11.905876][  T229] PKRU: 55555554
[   11.905976][  T229] Call Trace:
[   11.906076][  T229]  <TASK>
[   11.906145][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.906281][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.906382][  T229]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.906517][  T229]  __dev_notify_flags (net/core/dev.c:9787)
[   11.906714][  T229]  ? netif_change_name (net/core/dev.c:1495)
[   11.906851][  T229]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.906985][  T229]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.907121][  T229]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.907257][  T229]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.907394][  T229]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.907528][  T229]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.907722][  T229]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.907863][  T229]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.908002][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.908138][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.908272][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.908406][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.908540][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.908735][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.908874][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.909010][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.909145][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.909280][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.909412][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.909546][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.909741][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.909875][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.910011][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.910145][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.910278][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.910416][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.910549][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.910745][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.910882][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.911017][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.911152][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.911289][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.911423][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.911616][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.911752][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.911885][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.912052][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   11.912189][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.912323][  T229]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.912458][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   11.912647][  T229]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.912786][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.912924][  T229]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.913063][  T229]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.913202][  T229]  __sys_sendmsg (net/socket.c:2784)
[   11.913335][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.913473][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.913620][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.913755][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.913889][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.914021][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.914155][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.914322][  T229] RIP: 0033:0x7f638c78c08e
[   11.914462][  T229] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.914946][  T229] RSP: 002b:00007ffd91156830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.915149][  T229] RAX: ffffffffffffffda RBX: 00007ffd91156fe0 RCX: 00007f638c78c08e
[   11.915351][  T229] RDX: 0000000000000000 RSI: 00007ffd911568e0 RDI: 0000000000000005
[   11.915550][  T229] RBP: 00007ffd91156840 R08: 0000000000000000 R09: 0000000000000000
[   11.915760][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e961
[   11.915961][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd91156fb0
| [   11.968691][  T231] ------------[ cut here ]------------
| [   11.968902][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: echo/231
| [   11.969266][  T231] Modules linked in: netdevsim psample
| [   11.969854][  T231] Tainted: [W]=WARN
[   11.970025][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.970234][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.970447][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.971042][  T231] RSP: 0018:ffa00000005b7500 EFLAGS: 00010286
[   11.971246][  T231] RAX: 00000000ffffffa6 RBX: ff1100000b86c3c0 RCX: 1ff40000000b6e66
[   11.971486][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b86c47c
[   11.971738][  T231] RBP: ff110000057c2000 R08: 1fe220000170d891 R09: ff1100000eafd248
[   11.971981][  T231] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.972225][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057c2000
[   11.972466][  T231] FS:  00007fbd064c0740(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   11.972759][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.972962][  T231] CR2: 0000557d33634d5c CR3: 0000000022c3a002 CR4: 0000000000771ef0
[   11.973207][  T231] PKRU: 55555554
[   11.973328][  T231] Call Trace:
[   11.973450][  T231]  <TASK>
[   11.973534][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.973722][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.973846][  T231]  register_netdevice (net/core/dev.c:11488)
[   11.974009][  T231]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.974214][  T231] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.974425][  T231] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.974600][  T231] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.974804][  T231]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.974976][  T231]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.975186][  T231]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   11.975351][  T231]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.975474][  T231]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.975652][  T231]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.975858][  T231] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.976025][  T231]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.976190][  T231]  call_driver_probe (drivers/base/dd.c:629)
[   11.976352][  T231]  really_probe (drivers/base/dd.c:709)
[   11.976515][  T231]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.976689][  T231]  __driver_probe_device (drivers/base/dd.c:871)
[   11.976853][  T231]  driver_probe_device (drivers/base/dd.c:901)
[   11.977015][  T231]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.977179][  T231]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.977342][  T231]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.977508][  T231]  __device_attach (drivers/base/dd.c:1101)
[   11.977682][  T231]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.977845][  T231]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.978047][  T231]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.978211][  T231]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.978374][  T231]  device_initial_probe (drivers/base/dd.c:1156)
[   11.978538][  T231]  bus_probe_device (drivers/base/bus.c:613)
[   11.978710][  T231]  device_add (drivers/base/core.c:3706)
[   11.978872][  T231]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.979073][  T231]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.979238][  T231]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.979404][  T231] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.979617][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.979779][  T231]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.979983][  T231]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   11.980149][  T231]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.980313][  T231]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.980477][  T231]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.980651][  T231]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.980775][  T231]  new_sync_write (fs/read_write.c:595)
[   11.980937][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.981098][  T231]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.981263][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.981425][  T231]  ? ksys_write (fs/read_write.c:740)
[   11.981601][  T231]  vfs_write (fs/read_write.c:688)
[   11.981728][  T231]  ksys_write (fs/read_write.c:740)
[   11.981851][  T231]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.982015][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.982176][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.982339][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.982502][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.982675][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.982838][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.983040][  T231] RIP: 0033:0x7fbd0653308e
[   11.983209][  T231] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.983794][  T231] RSP: 002b:00007ffc752a76e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.984038][  T231] RAX: ffffffffffffffda RBX: 00007fbd066b5580 RCX: 00007fbd0653308e
[   11.984281][  T231] RDX: 0000000000000007 RSI: 000056003706b060 RDI: 0000000000000001
[   11.984524][  T231] RBP: 00007ffc752a76f0 R08: 0000000000000000 R09: 0000000000000000
[   11.984774][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[   11.985016][  T231] R13: 0000000000000007 R14: 000056003706b060 R15: 00007fbd066b5668
| [   12.077513][  T235] ------------[ cut here ]------------
| [   12.078222][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/235
| [   12.078452][  T235] Modules linked in: netdevsim psample
| [   12.078992][  T235] Tainted: [W]=WARN
[   12.079092][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.079257][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.079426][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.079913][  T235] RSP: 0018:ffa0000000627020 EFLAGS: 00010286
[   12.080077][  T235] RAX: 00000000ffffffa6 RBX: ff11000009242900 RCX: 1ff40000000c4dca
[   12.080270][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092429bc
[   12.080463][  T235] RBP: ff110000057c2000 R08: 1fe2200001248539 R09: ff1100000e052e80
[   12.080678][  T235] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.080879][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.081075][  T235] FS:  00007fd5bdaf1840(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   12.081306][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.081473][  T235] CR2: 00007fd5bddc11a0 CR3: 0000000005026003 CR4: 0000000000771ef0
[   12.081681][  T235] PKRU: 55555554
[   12.081780][  T235] Call Trace:
[   12.081878][  T235]  <TASK>
[   12.081946][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.082080][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.082180][  T235]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.082310][  T235]  __dev_notify_flags (net/core/dev.c:9787)
[   12.082447][  T235]  ? netif_change_name (net/core/dev.c:1495)
[   12.082588][  T235]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.082719][  T235]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.082850][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.082980][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.083114][  T235]  netif_change_flags (net/core/dev.c:9820)
[   12.083250][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.083385][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.083517][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.083688][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.083818][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.083948][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.084078][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.084217][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   12.084348][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.084480][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.084619][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.084750][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.084881][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.085012][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.085146][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.085276][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.085408][  T235]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.085539][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.085677][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.085810][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.085949][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.086082][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.086220][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.086351][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.086481][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.086708][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.086846][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.086981][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.087110][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.087240][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.087374][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.087505][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.087700][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.087839][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.087969][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.088102][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.088234][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.088369][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.088499][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.088696][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.088885][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.089019][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.089150][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.089282][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.089414][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.089550][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.089768][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.089900][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.090032][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.090165][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.090296][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.090426][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.090741][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   12.090874][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.091006][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.091138][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   12.091267][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.091429][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.091648][  T235]  __sys_sendmsg (net/socket.c:2784)
[   12.091786][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.091915][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.092080][  T235]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.092211][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.092342][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.092472][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.092695][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.092826][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.092994][  T235] RIP: 0033:0x7fd5bdd2b08e
[   12.093131][  T235] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.093632][  T235] RSP: 002b:00007ffdfb699bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.093834][  T235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd5bdd2b08e
[   12.094028][  T235] RDX: 0000000000000000 RSI: 00007ffdfb699c60 RDI: 0000000000000005
[   12.094222][  T235] RBP: 00007ffdfb699bc0 R08: 0000000000000000 R09: 0000000000000000
[   12.094424][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e961
[   12.094627][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfb69a330
| [   23.019335][  T257] ------------[ cut here ]------------
| [   23.019671][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: echo/257
| [   23.020011][  T257] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.020831][  T257] Tainted: [W]=WARN
[   23.020956][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.021162][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.021414][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.022116][  T257] RSP: 0018:ffa00000004e75a8 EFLAGS: 00010286
[   23.022325][  T257] RAX: 00000000ffffffa6 RBX: ff110000020ddc40 RCX: 1ff400000009ce7b
[   23.022722][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000020ddcfc
[   23.022970][  T257] RBP: ff110000057c2000 R08: 1fe220000041bba1 R09: ff1100000933af70
[   23.023210][  T257] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   23.023450][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004e7690
[   23.023808][  T257] FS:  00007f868179e740(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   23.024092][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.024296][  T257] CR2: 000055714cc13068 CR3: 000000000dff6003 CR4: 0000000000771ef0
[   23.024543][  T257] PKRU: 55555554
[   23.024762][  T257] Call Trace:
[   23.024884][  T257]  <TASK>
[   23.024970][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.025137][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.025262][  T257]  netif_close_many (net/core/dev.c:1804)
[   23.025424][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.025636][  T257]  ? __dev_close_many (net/core/dev.c:1781)
[   23.025798][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.025963][  T257]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.026128][  T257]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   23.026328][  T257]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   23.026529][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.026751][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.026916][  T257]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   23.027078][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.027242][  T257]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.027444][  T257]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   23.027617][  T257]  ? netdev_run_todo (net/core/dev.c:11703)
[   23.027780][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.027942][  T257]  ? 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)
[   23.028108][  T257]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   23.028270][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.028435][  T257]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.028611][  T257] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   23.028779][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.028946][  T257] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   23.029153][  T257] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   23.029360][  T257] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   23.029525][  T257]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   23.029743][  T257]  bus_remove_device (drivers/base/bus.c:657)
[   23.029910][  T257]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   23.030073][  T257]  ? device_remove_file (drivers/base/core.c:3073)
[   23.030238][  T257]  device_del (drivers/base/core.c:3895)
[   23.030363][  T257]  ? __device_link_del (./include/linux/kobject.h:89)
[   23.030527][  T257]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   23.030700][  T257]  device_unregister (drivers/base/core.c:3936)
[   23.030864][  T257] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   23.031067][  T257]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   23.031230][  T257]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   23.031433][  T257]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   23.031608][  T257]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   23.031771][  T257]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   23.031937][  T257]  ? kernfs_ops (fs/kernfs/file.c:128)
[   23.032060][  T257]  new_sync_write (fs/read_write.c:595)
[   23.032229][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.032393][  T257]  ? new_sync_read (./include/linux/ioprio.h:41)
[   23.032558][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.032731][  T257]  ? ksys_write (fs/read_write.c:740)
[   23.032902][  T257]  vfs_write (fs/read_write.c:688)
[   23.033028][  T257]  ksys_write (fs/read_write.c:740)
[   23.033151][  T257]  ? __ia32_sys_read (fs/read_write.c:724)
[   23.033315][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.033479][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.033658][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.033824][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.033989][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.034153][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.034358][  T257] RIP: 0033:0x7f868181108e
[   23.034533][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.035131][  T257] RSP: 002b:00007ffcfb4a9430 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   23.035378][  T257] RAX: ffffffffffffffda RBX: 00007f8681993580 RCX: 00007f868181108e
[   23.035630][  T257] RDX: 0000000000000005 RSI: 000055714cc12060 RDI: 0000000000000001
[   23.035872][  T257] RBP: 00007ffcfb4a9440 R08: 0000000000000000 R09: 0000000000000000
[   23.036117][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   23.036367][  T257] R13: 0000000000000005 R14: 000055714cc12060 R15: 00007f8681993668
| [   23.042045][  T257] ------------[ cut here ]------------
| [   23.042261][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: echo/257
| [   23.042579][  T257] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.043204][  T257] Tainted: [W]=WARN
[   23.043377][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.043579][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.043786][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.044383][  T257] RSP: 0018:ffa00000004e7728 EFLAGS: 00010286
[   23.044581][  T257] RAX: 00000000ffffffa6 RBX: ff110000020dc040 RCX: 1ff400000009ceab
[   23.044819][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000020dc0fc
[   23.045048][  T257] RBP: ff110000057c2000 R08: 1fe220000041b821 R09: ff1100000933af48
[   23.045278][  T257] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.045508][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.045754][  T257] FS:  00007f868179e740(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   23.046023][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.046216][  T257] CR2: 00007f15767aa9dc CR3: 000000000dff6002 CR4: 0000000000771ef0
[   23.046452][  T257] PKRU: 55555554
[   23.046573][  T257] Call Trace:
[   23.046694][  T257]  <TASK>
[   23.046776][  T257]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.046975][  T257]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.047170][  T257]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   23.047326][  T257]  ? netdev_run_todo (net/core/dev.c:11703)
[   23.047481][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.047646][  T257]  ? 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)
[   23.047806][  T257]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   23.047964][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.048121][  T257]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.048280][  T257] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   23.048439][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.048607][  T257] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   23.048801][  T257] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   23.048996][  T257] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   23.049155][  T257]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   23.049350][  T257]  bus_remove_device (drivers/base/bus.c:657)
[   23.049515][  T257]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   23.049680][  T257]  ? device_remove_file (drivers/base/core.c:3073)
[   23.049839][  T257]  device_del (drivers/base/core.c:3895)
[   23.049956][  T257]  ? __device_link_del (./include/linux/kobject.h:89)
[   23.050114][  T257]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   23.050269][  T257]  device_unregister (drivers/base/core.c:3936)
[   23.050424][  T257] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   23.050628][  T257]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   23.050800][  T257]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   23.050994][  T257]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   23.051149][  T257]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   23.051304][  T257]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   23.051459][  T257]  ? kernfs_ops (fs/kernfs/file.c:128)
[   23.051581][  T257]  new_sync_write (fs/read_write.c:595)
[   23.051742][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.051900][  T257]  ? new_sync_read (./include/linux/ioprio.h:41)
[   23.052055][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.052210][  T257]  ? ksys_write (fs/read_write.c:740)
[   23.052371][  T257]  vfs_write (fs/read_write.c:688)
[   23.052490][  T257]  ksys_write (fs/read_write.c:740)
[   23.052618][  T257]  ? __ia32_sys_read (fs/read_write.c:724)
[   23.052774][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.052929][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.053088][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.053245][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.053400][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.053554][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.053758][  T257] RIP: 0033:0x7f868181108e
[   23.053919][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.054467][  T257] RSP: 002b:00007ffcfb4a9430 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   23.054712][  T257] RAX: ffffffffffffffda RBX: 00007f8681993580 RCX: 00007f868181108e
[   23.054943][  T257] RDX: 0000000000000005 RSI: 000055714cc12060 RDI: 0000000000000001
[   23.055172][  T257] RBP: 00007ffcfb4a9440 R08: 0000000000000000 R09: 0000000000000000
[   23.055406][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   23.055649][  T257] R13: 0000000000000005 R14: 000055714cc12060 R15: 00007f8681993668
| [   23.160047][   T68] ------------[ cut here ]------------
| [   23.160242][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.160538][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.161162][   T68] Tainted: [W]=WARN
[   23.161313][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.161517][   T68] Workqueue: netns cleanup_net
[   23.161713][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.161928][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.162407][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.162636][   T68] RAX: 00000000ffffffa6 RBX: ff11000008d4ee40 RCX: 1ff4000000092eed
[   23.162870][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4eefc
[   23.163101][   T68] RBP: ff1100000fa69000 R08: 1fe22000011a9de1 R09: ff11000009092ed0
[   23.163331][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.163580][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.163820][   T68] FS:  0000000000000000(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.164093][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.164294][   T68] CR2: 0000557d33634d5c CR3: 000000000fbb0002 CR4: 0000000000771ef0
[   23.164525][   T68] PKRU: 55555554
[   23.164683][   T68] Call Trace:
[   23.164822][   T68]  <TASK>
[   23.164936][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.165146][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.165349][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.165523][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.165712][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.165914][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.166088][   T68]  ? 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)
[   23.166261][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.166434][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.166618][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.166793][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.166963][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.167132][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.167308][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.167481][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.167675][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.167852][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.168021][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.168197][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.168372][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.168545][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.168738][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.168910][   T68]  kthread (kernel/kthread.c:436)
[   23.169049][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.169250][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.169420][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.169613][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.169819][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.169992][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.170164][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.173266][   T68] ------------[ cut here ]------------
| [   23.173444][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.173755][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.174347][   T68] Tainted: [W]=WARN
[   23.174486][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.174705][   T68] Workqueue: netns cleanup_net
[   23.174881][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.175087][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.175580][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.175789][   T68] RAX: 00000000ffffffa6 RBX: ff110000099418c0 RCX: 1ff4000000092eed
[   23.176016][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000994197c
[   23.176243][   T68] RBP: ff1100000c65c000 R08: 1fe2200001328331 R09: ff11000009092ed0
[   23.176478][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.176730][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.176975][   T68] FS:  0000000000000000(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.177311][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.177513][   T68] CR2: 0000557d33634d5c CR3: 000000001434d005 CR4: 0000000000771ef0
[   23.177764][   T68] PKRU: 55555554
[   23.177903][   T68] Call Trace:
[   23.178045][   T68]  <TASK>
[   23.178155][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.178360][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.178643][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.178892][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.179072][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.179243][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.179443][   T68]  ? 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)
[   23.179642][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.179818][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.180057][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.180232][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.180479][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.180673][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.180849][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.181024][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.181197][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.181371][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.181540][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.181742][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.181918][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.182304][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.182483][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.182675][   T68]  kthread (kernel/kthread.c:436)
[   23.182961][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.183167][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.183341][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.183520][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.183768][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.183943][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.184114][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.187879][   T68] ------------[ cut here ]------------
| [   23.188047][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.188334][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.189227][   T68] Tainted: [W]=WARN
[   23.189412][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.189678][   T68] Workqueue: netns cleanup_net
[   23.189901][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.190162][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.190709][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.190963][   T68] RAX: 00000000ffffffa6 RBX: ff11000009940200 RCX: 1ff4000000092eed
[   23.191250][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099402bc
[   23.191524][   T68] RBP: ff11000009209000 R08: 1fe2200001328059 R09: ff11000009092ed0
[   23.191817][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.192092][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.192373][   T68] FS:  0000000000000000(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.192710][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.193031][   T68] CR2: 0000557d33634d5c CR3: 000000001434d005 CR4: 0000000000771ef0
[   23.193306][   T68] PKRU: 55555554
[   23.193488][   T68] Call Trace:
[   23.193690][   T68]  <TASK>
[   23.193925][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.194243][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.194487][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.194720][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.194935][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.195149][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.195366][   T68]  ? 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)
[   23.195609][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.195826][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.196181][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.197693][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.197921][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.198202][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.198457][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.198751][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.199017][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.199271][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.199440][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.199634][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.199810][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.200006][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.200186][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.200356][   T68]  kthread (kernel/kthread.c:436)
[   23.200504][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.200760][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.200931][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.201105][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.201330][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.201503][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.201698][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.204744][   T68] ------------[ cut here ]------------
| [   23.205051][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.205344][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.206383][   T68] Tainted: [W]=WARN
[   23.206584][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.206838][   T68] Workqueue: netns cleanup_net
[   23.207059][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.207310][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.207855][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.208111][   T68] RAX: 00000000ffffffa6 RBX: ff11000009941540 RCX: 1ff4000000092eed
[   23.208385][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099415fc
[   23.208680][   T68] RBP: ff1100000f514000 R08: 1fe22000013282c1 R09: ff11000009092ed0
[   23.208953][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.209230][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.209507][   T68] FS:  0000000000000000(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.209832][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.210076][   T68] CR2: 0000557d33634d5c CR3: 000000001434d005 CR4: 0000000000771ef0
[   23.210352][   T68] PKRU: 55555554
[   23.210533][   T68] Call Trace:
[   23.210735][   T68]  <TASK>
[   23.210893][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.211143][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.211386][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.211621][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.211839][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.212056][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.212274][   T68]  ? 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)
[   23.212490][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.212728][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.212941][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.213161][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.213405][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.213687][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.213962][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.214221][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.214482][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.214769][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.215033][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.215297][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.215604][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.215782][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.215952][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.216121][   T68]  kthread (kernel/kthread.c:436)
[   23.216262][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.216461][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.216649][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.216825][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.217025][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.217196][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.217366][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.219911][   T68] ------------[ cut here ]------------
| [   23.220077][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.220363][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.221494][   T68] Tainted: [W]=WARN
[   23.221700][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.221947][   T68] Workqueue: netns cleanup_net
[   23.222170][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.222424][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.222976][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.223223][   T68] RAX: 00000000ffffffa6 RBX: ff11000009940740 RCX: 1ff4000000092eed
[   23.223496][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099407fc
[   23.223785][   T68] RBP: ff11000009311000 R08: 1fe2200001328101 R09: ff11000009092ed0
[   23.224053][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.224325][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.224620][   T68] FS:  0000000000000000(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.224927][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.225175][   T68] CR2: 0000557d33634d5c CR3: 000000001434d005 CR4: 0000000000771ef0
[   23.225448][   T68] PKRU: 55555554
[   23.225649][   T68] Call Trace:
[   23.225832][   T68]  <TASK>
[   23.225987][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.226235][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.226478][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.226719][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.226936][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.227150][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.227369][   T68]  ? 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)
[   23.227633][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.227929][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.228192][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.228489][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.228772][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.229031][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.229292][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.229592][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.229841][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.230015][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.230188][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.230362][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.230534][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.230724][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.230927][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.231099][   T68]  kthread (kernel/kthread.c:436)
[   23.231241][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.231469][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.231661][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.231833][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.232032][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.232203][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.232373][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.251555][   T68] ------------[ cut here ]------------
| [   23.251872][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.252182][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.253312][   T68] Tainted: [W]=WARN
[   23.253523][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.253748][   T68] Workqueue: netns cleanup_net
[   23.253935][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.254166][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.254698][   T68] RSP: 0018:ffa00000004976f8 EFLAGS: 00010286
[   23.254911][   T68] RAX: 00000000ffffffa6 RBX: ff11000009941e00 RCX: 1ff4000000092ea5
[   23.255156][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009941ebc
[   23.255399][   T68] RBP: ff1100000a7a4000 R08: 1fe22000013283d9 R09: ff11000009092ef8
[   23.255657][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   23.255897][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   23.256141][   T68] FS:  0000000000000000(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.256415][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.256645][   T68] CR2: 0000557d33634d5c CR3: 000000001434d005 CR4: 0000000000771ef0
[   23.256935][   T68] PKRU: 55555554
[   23.257080][   T68] Call Trace:
[   23.257226][   T68]  <TASK>
[   23.257343][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.257525][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.257689][   T68]  netif_close_many (net/core/dev.c:1804)
[   23.257899][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.258078][   T68]  ? default_device_exit_batch (net/core/dev.c:13075)
[   23.258261][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   23.258442][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.258645][   T68]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.258832][   T68]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   23.259041][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   23.259252][   T68]  ? 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)
[   23.259433][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.259630][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   23.259812][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.260026][   T68]  ? 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)
[   23.260205][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.260385][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.260615][   T68]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.260799][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.260985][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.261177][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.261363][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.261543][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.261747][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.261931][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.262108][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.262290][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.262471][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.262670][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.262854][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.263033][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.263214][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.263399][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.263609][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.263794][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.263988][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.264171][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.264351][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.264532][   T68]  kthread (kernel/kthread.c:436)
[   23.264697][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.264913][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.265094][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.265274][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.265488][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.265684][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.265863][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.268620][   T68] ------------[ cut here ]------------
| [   23.268801][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.269102][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.269807][   T68] Tainted: [W]=WARN
[   23.269999][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.270229][   T68] Workqueue: netns cleanup_net
[   23.270409][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.270644][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.271165][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   23.271374][   T68] RAX: 00000000ffffffa6 RBX: ff11000009a35700 RCX: 1ff4000000092eaf
[   23.271627][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a357bc
[   23.271880][   T68] RBP: ff1100000a70c000 R08: 1fe2200001346af9 R09: ff11000009092ed0
[   23.272114][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   23.272379][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   23.272636][   T68] FS:  0000000000000000(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.272913][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.273119][   T68] CR2: 0000557d33634d5c CR3: 000000001434d005 CR4: 0000000000771ef0
[   23.273357][   T68] PKRU: 55555554
[   23.273501][   T68] Call Trace:
[   23.273665][   T68]  <TASK>
[   23.273782][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.273991][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.274138][   T68]  netif_close_many (net/core/dev.c:1804)
[   23.274315][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   23.274493][   T68]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   23.274716][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.274925][   T68]  ? 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)
[   23.275101][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.275273][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   23.275452][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.275708][   T68]  ? 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)
[   23.275887][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.276093][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.276302][   T68]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.276479][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.276681][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.276858][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.277034][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.277210][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.277388][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.277581][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.277766][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.277948][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.278125][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.278300][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.278478][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.278674][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.278853][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.279034][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.279209][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.279394][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.279586][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.279769][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.279947][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.280123][   T68]  kthread (kernel/kthread.c:436)
[   23.280270][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.280478][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.280677][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.280855][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.281062][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.281239][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.281416][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.292215][   T68] ------------[ cut here ]------------
| [   23.292361][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   23.292621][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.293125][   T68] Tainted: [W]=WARN
[   23.293223][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.293386][   T68] Workqueue: netns cleanup_net
[   23.293514][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.293768][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.294216][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   23.294373][   T68] RAX: 00000000ffffffa6 RBX: ff11000009a358c0 RCX: 1ff4000000092ed5
[   23.294560][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a3597c
[   23.294759][   T68] RBP: ff1100000a7a4000 R08: 1fe2200001346b31 R09: ff11000009092ed0
[   23.294941][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.295123][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.295309][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   23.295523][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.295688][   T68] CR2: 00007fd266a0c000 CR3: 000000001434d001 CR4: 0000000000771ef0
[   23.295875][   T68] PKRU: 55555554
[   23.295968][   T68] Call Trace:
[   23.296061][   T68]  <TASK>
[   23.296126][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.296286][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.296440][   T68]  ? 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)
[   23.296570][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.296704][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.296862][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.296990][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.297117][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.297242][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.297366][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.297493][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.297631][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.297755][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.297882][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.298007][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.298130][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.298255][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.298377][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.298502][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.298638][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.298761][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.298887][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.299013][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.299139][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.299264][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.299387][   T68]  kthread (kernel/kthread.c:436)
[   23.299480][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.299642][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.299766][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.299889][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.300044][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.300168][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.300292][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.302825][   T68] ------------[ cut here ]------------
| [   23.302959][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   23.303205][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.303972][   T68] Tainted: [W]=WARN
[   23.304068][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.304222][   T68] Workqueue: netns cleanup_net
[   23.304352][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.304511][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.304968][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   23.305125][   T68] RAX: 00000000ffffffa6 RBX: ff11000009a34040 RCX: 1ff4000000092ed5
[   23.305311][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a340fc
[   23.305491][   T68] RBP: ff1100000a70c000 R08: 1fe2200001346821 R09: ff11000009092ed0
[   23.305685][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.305871][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.306055][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   23.306272][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.306426][   T68] CR2: 00007fd266a0c000 CR3: 000000001434d001 CR4: 0000000000771ef0
[   23.306621][   T68] PKRU: 55555554
[   23.306715][   T68] Call Trace:
[   23.306809][   T68]  <TASK>
[   23.306873][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.307031][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.307184][   T68]  ? 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)
[   23.307307][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.307430][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.307590][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.307718][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.307846][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.307970][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.308095][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.308223][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.308348][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.308472][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.308610][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.308735][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.308866][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.308991][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.309116][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.309245][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.309374][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.309498][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.309636][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.309764][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.309892][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.310016][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.310139][   T68]  kthread (kernel/kthread.c:436)
[   23.310232][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.310386][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.310511][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.310644][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.310798][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.310923][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.311048][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.362689][  T271] ------------[ cut here ]------------
| [   23.362897][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/271
| [   23.363187][  T271] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.364333][  T271] Tainted: [W]=WARN
[   23.364485][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.364721][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.364948][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.365478][  T271] RSP: 0018:ffa00000005e7a80 EFLAGS: 00010286
[   23.365720][  T271] RAX: 00000000ffffffa6 RBX: ff1100000c3fb1c0 RCX: 1ff40000000bcf16
[   23.365968][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3fb27c
[   23.366221][  T271] RBP: ff11000008c89000 R08: 1fe220000187f651 R09: ff1100000e842e80
[   23.366469][  T271] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.366738][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c89000
[   23.366991][  T271] FS:  00007fd5329bd840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.367280][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.367498][  T271] CR2: 00007fd532bbec20 CR3: 000000000f783005 CR4: 0000000000771ef0
[   23.367774][  T271] PKRU: 55555554
[   23.367923][  T271] Call Trace:
[   23.368073][  T271]  <TASK>
[   23.368189][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.368373][  T271]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.368574][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.368735][  T271]  register_netdevice (net/core/dev.c:11488)
[   23.368922][  T271]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.369138][  T271]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.369323][  T271]  register_netdev (net/core/dev.c:11552)
[   23.369506][  T271]  loopback_net_init (drivers/net/loopback.c:218)
[   23.369710][  T271]  ops_init (net/core/net_namespace.c:137)
[   23.369865][  T271]  setup_net (net/core/net_namespace.c:446)
[   23.370015][  T271]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.370198][  T271]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.370381][  T271]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.370580][  T271]  copy_net_ns (net/core/net_namespace.c:579)
[   23.370772][  T271]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.370959][  T271]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.371146][  T271]  ksys_unshare (kernel/fork.c:3243)
[   23.371333][  T271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.371518][  T271]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.371718][  T271]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.371904][  T271]  ? __ia32_sys_open (fs/open.c:1374)
[   23.372091][  T271]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.372274][  T271]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.372458][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.372666][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.372854][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.373040][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.373255][  T271] RIP: 0033:0x7fd532c7fbcb
[   23.373446][  T271] 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
[   23.373994][  T271] RSP: 002b:00007ffc7bc68fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   23.374245][  T271] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd532c7fbcb
[   23.374494][  T271] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.374761][  T271] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.375014][  T271] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7bc6b210
[   23.375262][  T271] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7bc6b879
| [   23.386840][  T271] ------------[ cut here ]------------
| [   23.387030][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/271
| [   23.387311][  T271] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.387992][  T271] Tainted: [W]=WARN
[   23.388140][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.388354][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.388601][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.389123][  T271] RSP: 0018:ffa00000005e7918 EFLAGS: 00010286
[   23.389340][  T271] RAX: 00000000ffffffa6 RBX: ff1100000c3f4900 RCX: 1ff40000000bcee9
[   23.389611][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3f49bc
[   23.389858][  T271] RBP: ff1100000a7ac000 R08: 1fe220000187e939 R09: ff1100000e842e80
[   23.390104][  T271] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.390355][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7ac000
[   23.390622][  T271] FS:  00007fd5329bd840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.390908][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.391126][  T271] CR2: 00007fd532bbec20 CR3: 000000000f783005 CR4: 0000000000771ef0
[   23.391377][  T271] PKRU: 55555554
[   23.391525][  T271] Call Trace:
[   23.391688][  T271]  <TASK>
[   23.391806][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.391988][  T271]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.392171][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.392324][  T271]  register_netdevice (net/core/dev.c:11488)
[   23.392508][  T271]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.392741][  T271]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.392928][  T271]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.393110][  T271]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.393291][  T271]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.393475][  T271]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.393677][  T271]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.393861][  T271]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   23.394045][  T271]  ops_init (net/core/net_namespace.c:137)
[   23.394195][  T271]  setup_net (net/core/net_namespace.c:446)
[   23.394348][  T271]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.394527][  T271]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.394727][  T271]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.394911][  T271]  copy_net_ns (net/core/net_namespace.c:579)
[   23.395095][  T271]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.395279][  T271]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.395462][  T271]  ksys_unshare (kernel/fork.c:3243)
[   23.395666][  T271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.395849][  T271]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.396030][  T271]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.396212][  T271]  ? __ia32_sys_open (fs/open.c:1374)
[   23.396394][  T271]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.396587][  T271]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.396777][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.396961][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.397143][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.397327][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.397541][  T271] RIP: 0033:0x7fd532c7fbcb
[   23.397749][  T271] 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
[   23.398277][  T271] RSP: 002b:00007ffc7bc68fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   23.398525][  T271] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd532c7fbcb
[   23.398783][  T271] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.399028][  T271] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.399275][  T271] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7bc6b210
[   23.399521][  T271] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7bc6b879
| [   23.403842][  T271] ------------[ cut here ]------------
| [   23.404032][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/271
| [   23.404312][  T271] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.404939][  T271] Tainted: [W]=WARN
[   23.405090][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.405304][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.405525][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.406068][  T271] RSP: 0018:ffa00000005e78f8 EFLAGS: 00010286
[   23.406284][  T271] RAX: 00000000ffffffa6 RBX: ff1100000c3fa3c0 RCX: 1ff40000000bcee5
[   23.406531][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3fa47c
[   23.406796][  T271] RBP: ff1100000dc01000 R08: 1fe220000187f491 R09: ff1100000e842e80
[   23.407045][  T271] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.407294][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc01000
[   23.407544][  T271] FS:  00007fd5329bd840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.407850][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.408066][  T271] CR2: 00007fd532bbec20 CR3: 000000000f783005 CR4: 0000000000771ef0
[   23.408320][  T271] PKRU: 55555554
[   23.408467][  T271] Call Trace:
[   23.408636][  T271]  <TASK>
[   23.408755][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.408941][  T271]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.409124][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.409276][  T271]  register_netdevice (net/core/dev.c:11488)
[   23.409461][  T271]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.409703][  T271]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.409891][  T271]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.410077][  T271]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.410260][  T271]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.410445][  T271]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.410650][  T271]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.410836][  T271]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   23.411021][  T271]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.411209][  T271]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.411392][  T271]  ops_init (net/core/net_namespace.c:137)
[   23.411544][  T271]  setup_net (net/core/net_namespace.c:446)
[   23.411716][  T271]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.411900][  T271]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.412083][  T271]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.412268][  T271]  copy_net_ns (net/core/net_namespace.c:579)
[   23.412457][  T271]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.412657][  T271]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.412840][  T271]  ksys_unshare (kernel/fork.c:3243)
[   23.413024][  T271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.413208][  T271]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.413390][  T271]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.413586][  T271]  ? __ia32_sys_open (fs/open.c:1374)
[   23.413783][  T271]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.413964][  T271]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.414145][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.414329][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.414512][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.414716][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.414929][  T271] RIP: 0033:0x7fd532c7fbcb
[   23.415117][  T271] 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
[   23.415662][  T271] RSP: 002b:00007ffc7bc68fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   23.415915][  T271] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd532c7fbcb
[   23.416163][  T271] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.416413][  T271] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.416681][  T271] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7bc6b210
[   23.416927][  T271] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7bc6b879
| [   23.422778][  T271] ------------[ cut here ]------------
| [   23.422967][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/271
| [   23.423247][  T271] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.423885][  T271] Tainted: [W]=WARN
[   23.424034][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.424248][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.424472][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.425011][  T271] RSP: 0018:ffa00000005e7a78 EFLAGS: 00010286
[   23.425227][  T271] RAX: 00000000ffffffa6 RBX: ff1100000c3fbe00 RCX: 1ff40000000bcf15
[   23.425471][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3fbebc
[   23.425778][  T271] RBP: ff1100000a6bc000 R08: 1fe220000187f7d9 R09: ff1100000e842e80
[   23.426045][  T271] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.426339][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a6bc000
[   23.426661][  T271] FS:  00007fd5329bd840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.427007][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.427274][  T271] CR2: 00007fd532bbec20 CR3: 000000000f783005 CR4: 0000000000771ef0
[   23.427592][  T271] PKRU: 55555554
[   23.427801][  T271] Call Trace:
[   23.428000][  T271]  <TASK>
[   23.428169][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.428405][  T271]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.428662][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.428869][  T271]  register_netdevice (net/core/dev.c:11488)
[   23.429108][  T271]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.429375][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.429634][  T271]  register_netdev (net/core/dev.c:11552)
[   23.429871][  T271]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.430106][  T271]  ops_init (net/core/net_namespace.c:137)
[   23.430312][  T271]  setup_net (net/core/net_namespace.c:446)
[   23.430513][  T271]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.430771][  T271]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.431009][  T271]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.431247][  T271]  copy_net_ns (net/core/net_namespace.c:579)
[   23.431480][  T271]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.431737][  T271]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.431980][  T271]  ksys_unshare (kernel/fork.c:3243)
[   23.432217][  T271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.432453][  T271]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.432705][  T271]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.432942][  T271]  ? __ia32_sys_open (fs/open.c:1374)
[   23.433179][  T271]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.433411][  T271]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.433670][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.433910][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.434145][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.434379][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.434666][  T271] RIP: 0033:0x7fd532c7fbcb
[   23.434911][  T271] 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
[   23.435488][  T271] RSP: 002b:00007ffc7bc68fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   23.435803][  T271] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd532c7fbcb
[   23.436102][  T271] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.436400][  T271] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.436721][  T271] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7bc6b210
[   23.437021][  T271] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7bc6b879
| [   23.442085][  T271] ------------[ cut here ]------------
| [   23.442242][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/271
| [   23.442478][  T271] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.443018][  T271] Tainted: [W]=WARN
[   23.443121][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.443290][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.443466][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.443956][  T271] RSP: 0018:ffa00000005e7a68 EFLAGS: 00010286
[   23.444127][  T271] RAX: 00000000ffffffa6 RBX: ff11000009fc9a80 RCX: 1ff40000000bcf13
[   23.444328][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009fc9b3c
[   23.444529][  T271] RBP: ff1100000df91000 R08: 1fe22000013f9369 R09: ff1100000e842e80
[   23.444742][  T271] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.444948][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df91000
[   23.445151][  T271] FS:  00007fd5329bd840(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   23.445389][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.445560][  T271] CR2: 0000557d33634d5c CR3: 000000000f783004 CR4: 0000000000771ef0
[   23.445772][  T271] PKRU: 55555554
[   23.445874][  T271] Call Trace:
[   23.445974][  T271]  <TASK>
[   23.446043][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.446178][  T271]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.446313][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.446416][  T271]  register_netdevice (net/core/dev.c:11488)
[   23.446554][  T271]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.446736][  T271]  register_netdev (net/core/dev.c:11552)
[   23.446871][  T271]  sit_init_net (net/ipv6/sit.c:1860)
[   23.447007][  T271]  ops_init (net/core/net_namespace.c:137)
[   23.447110][  T271]  setup_net (net/core/net_namespace.c:446)
[   23.447212][  T271]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.447345][  T271]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.447482][  T271]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.447632][  T271]  copy_net_ns (net/core/net_namespace.c:579)
[   23.447768][  T271]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.447905][  T271]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.448041][  T271]  ksys_unshare (kernel/fork.c:3243)
[   23.448175][  T271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.448311][  T271]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.448446][  T271]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.448592][  T271]  ? __ia32_sys_open (fs/open.c:1374)
[   23.448733][  T271]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.448866][  T271]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.449001][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.449134][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.449270][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.449404][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.449577][  T271] RIP: 0033:0x7fd532c7fbcb
[   23.449724][  T271] 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
[   23.450201][  T271] RSP: 002b:00007ffc7bc68fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   23.450404][  T271] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd532c7fbcb
[   23.450611][  T271] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.450813][  T271] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.451032][  T271] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7bc6b210
[   23.451232][  T271] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7bc6b879
| [   23.455891][  T271] ------------[ cut here ]------------
| [   23.456038][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/271
| [   23.456273][  T271] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.456797][  T271] Tainted: [W]=WARN
[   23.456900][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.457070][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.457245][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.458263][  T271] RSP: 0018:ffa00000005e7a78 EFLAGS: 00010286
[   23.458437][  T271] RAX: 00000000ffffffa6 RBX: ff1100000cabd8c0 RCX: 1ff40000000bcf15
[   23.458698][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cabd97c
[   23.458899][  T271] RBP: ff1100000e9f9000 R08: 1fe2200001957b31 R09: ff1100000e842e80
[   23.459099][  T271] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.459299][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9f9000
[   23.459502][  T271] FS:  00007fd5329bd840(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   23.459809][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.460032][  T271] CR2: 0000557d33634d5c CR3: 000000000f783004 CR4: 0000000000771ef0
[   23.460235][  T271] PKRU: 55555554
[   23.460336][  T271] Call Trace:
[   23.460439][  T271]  <TASK>
[   23.460509][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.460701][  T271]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.460835][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.460938][  T271]  register_netdevice (net/core/dev.c:11488)
[   23.461075][  T271]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.461241][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.461379][  T271]  register_netdev (net/core/dev.c:11552)
[   23.461512][  T271]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.461707][  T271]  ops_init (net/core/net_namespace.c:137)
[   23.461811][  T271]  setup_net (net/core/net_namespace.c:446)
[   23.461914][  T271]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.462048][  T271]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.462181][  T271]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.462317][  T271]  copy_net_ns (net/core/net_namespace.c:579)
[   23.462455][  T271]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.462652][  T271]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.462788][  T271]  ksys_unshare (kernel/fork.c:3243)
[   23.462923][  T271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.463057][  T271]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.463191][  T271]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.463327][  T271]  ? __ia32_sys_open (fs/open.c:1374)
[   23.463465][  T271]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.463661][  T271]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.463796][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.463931][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.464066][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.464201][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.464368][  T271] RIP: 0033:0x7fd532c7fbcb
[   23.464509][  T271] 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
[   23.465052][  T271] RSP: 002b:00007ffc7bc68fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   23.465257][  T271] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd532c7fbcb
[   23.465460][  T271] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.465720][  T271] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.465920][  T271] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7bc6b210
[   23.466121][  T271] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7bc6b879
| [   23.494816][  T272] ------------[ cut here ]------------
| [   23.495006][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/272
| [   23.495286][  T272] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.496017][  T272] Tainted: [W]=WARN
[   23.496164][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.496377][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.497134][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.497683][  T272] RSP: 0018:ffa00000005e7020 EFLAGS: 00010286
[   23.497900][  T272] RAX: 00000000ffffffa6 RBX: ff1100000c3fb540 RCX: 1ff40000000bcdca
[   23.498149][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3fb5fc
[   23.498390][  T272] RBP: ff11000008c89000 R08: 1fe220000187f6c1 R09: ff1100000e845158
[   23.498650][  T272] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   23.498894][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.499144][  T272] FS:  00007fdfd42d4840(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.499423][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.499651][  T272] CR2: 000000003cd90988 CR3: 000000000abea003 CR4: 0000000000771ef0
[   23.499900][  T272] PKRU: 55555554
[   23.500046][  T272] Call Trace:
[   23.500193][  T272]  <TASK>
[   23.500313][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.500497][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.500669][  T272]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.500851][  T272]  __dev_notify_flags (net/core/dev.c:9787)
[   23.501035][  T272]  ? netif_change_name (net/core/dev.c:1495)
[   23.501216][  T272]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.501399][  T272]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.501600][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.501783][  T272]  ? 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))
[   23.501967][  T272]  netif_change_flags (net/core/dev.c:9820)
[   23.502150][  T272]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.502331][  T272]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.502515][  T272]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.502716][  T272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.502933][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.503114][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.503295][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.503477][  T272]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.503679][  T272]  ? __kernel_text_address (kernel/extable.c:79)
[   23.503862][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.504045][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.504228][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.504410][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.504610][  T272]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.504791][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.504972][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.505156][  T272]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.505337][  T272]  ? __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)
[   23.505521][  T272]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.505721][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.505905][  T272]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.506089][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.506274][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.506458][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.506651][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.506834][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.507017][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.507198][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.507383][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.507576][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.507765][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.507948][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.508130][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.508312][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.508496][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.508698][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.508881][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.509064][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.509244][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.509429][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.509631][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.509817][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.510006][  T272]  ? 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))
[   23.510186][  T272]  ? 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))
[   23.510371][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.510555][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.510757][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.510941][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.511124][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.511310][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.511497][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.511700][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.511887][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.512101][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   23.512284][  T272]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.512468][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.512675][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   23.512860][  T272]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.513077][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.513271][  T272]  __sys_sendmsg (net/socket.c:2784)
[   23.513454][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.513650][  T272]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.513869][  T272]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.514053][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.514237][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.514419][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.514619][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.514803][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.515016][  T272] RIP: 0033:0x7fdfd450e08e
[   23.515203][  T272] 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
[   23.515748][  T272] RSP: 002b:00007ffc3e7cd180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.515997][  T272] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdfd450e08e
[   23.516243][  T272] RDX: 0000000000000000 RSI: 00007ffc3e7cd230 RDI: 0000000000000005
[   23.516493][  T272] RBP: 00007ffc3e7cd190 R08: 0000000000000000 R09: 0000000000000000
[   23.516756][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e96c
[   23.517004][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3e7cd900
| [   23.631215][  T275] ------------[ cut here ]------------
| [   23.631399][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/275
| [   23.631657][  T275] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.632266][  T275] Tainted: [W]=WARN
[   23.632373][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.632551][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.632749][  T275] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.633253][  T275] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[   23.633430][  T275] RAX: 00000000ffffffa6 RBX: ff11000008c59540 RCX: 1ff40000000c4dfc
[   23.633648][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008c595fc
[   23.633858][  T275] RBP: ff110000091cc000 R08: 1fe220000118b2c1 R09: ff1100000a4baea8
[   23.634065][  T275] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.634274][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.634486][  T275] FS:  00007fc6e16f8840(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   23.634744][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.634922][  T275] CR2: 00000000004a77b8 CR3: 0000000022c1e002 CR4: 0000000000771ef0
[   23.635133][  T275] PKRU: 55555554
[   23.635239][  T275] Call Trace:
[   23.635345][  T275]  <TASK>
[   23.635418][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.635616][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.635727][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.635868][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   23.636009][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   23.636148][  T275]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.636289][  T275]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.636431][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.636579][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.636731][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.636872][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.637013][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.637158][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.637304][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.637445][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.637590][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.637734][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.637874][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.638014][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.638160][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.638300][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.638441][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.638647][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.638790][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.638929][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.639072][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.639211][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.639353][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.639494][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.639696][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.639840][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.639980][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.640125][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.640266][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.640406][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.640547][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.640753][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.640895][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.641038][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.641180][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.641322][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.641497][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   23.641702][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.641844][  T275]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   23.641983][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   23.642121][  T275]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   23.642262][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.642407][  T275]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   23.642555][  T275]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   23.642761][  T275]  __sys_sendmsg (net/socket.c:2784)
[   23.642902][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.643045][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.643186][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.643327][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.643468][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.643674][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.643817][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.643990][  T275] RIP: 0033:0x7fc6e193208e
[   23.644137][  T275] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.644699][  T275] RSP: 002b:00007ffe49eac9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.644911][  T275] RAX: ffffffffffffffda RBX: 00007ffe49ead180 RCX: 00007fc6e193208e
[   23.645120][  T275] RDX: 0000000000000000 RSI: 00007ffe49eaca80 RDI: 0000000000000005
[   23.645329][  T275] RBP: 00007ffe49eac9e0 R08: 0000000000000000 R09: 0000000000000000
[   23.645542][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e96c
[   23.645812][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe49ead150
| [   23.692859][  T276] ------------[ cut here ]------------
| [   23.693140][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: echo/276
| [   23.693607][  T276] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.694437][  T276] Tainted: [W]=WARN
[   23.694708][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.695038][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.695375][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.696109][  T276] RSP: 0018:ffa0000000657500 EFLAGS: 00010286
[   23.696437][  T276] RAX: 00000000ffffffa6 RBX: ff1100000bf84e40 RCX: 1ff40000000cae66
[   23.696844][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf84efc
[   23.697206][  T276] RBP: ff110000058fa000 R08: 1fe22000017f09e1 R09: ff1100000a7d8c48
[   23.697585][  T276] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.697916][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058fa000
[   23.698243][  T276] FS:  00007f0b225a2740(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   23.698657][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.698917][  T276] CR2: 000056443838c068 CR3: 000000000f62b005 CR4: 0000000000771ef0
[   23.699215][  T276] PKRU: 55555554
[   23.699389][  T276] Call Trace:
[   23.699577][  T276]  <TASK>
[   23.699718][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.699941][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.700118][  T276]  register_netdevice (net/core/dev.c:11488)
[   23.700336][  T276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.700618][  T276] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   23.700883][  T276] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   23.701102][  T276] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   23.701363][  T276]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   23.701593][  T276]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   23.701862][  T276]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   23.702078][  T276]  ? static_obj (kernel/locking/lockdep.c:858)
[   23.702252][  T276]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.702472][  T276]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   23.702754][  T276] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   23.702981][  T276]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   23.703196][  T276]  call_driver_probe (drivers/base/dd.c:629)
[   23.703414][  T276]  really_probe (drivers/base/dd.c:709)
[   23.703652][  T276]  ? driver_probe_device (drivers/base/dd.c:135)
[   23.703869][  T276]  __driver_probe_device (drivers/base/dd.c:871)
[   23.704091][  T276]  driver_probe_device (drivers/base/dd.c:901)
[   23.704306][  T276]  __device_attach_driver (drivers/base/dd.c:1029)
[   23.704523][  T276]  bus_for_each_drv (drivers/base/bus.c:500)
[   23.704767][  T276]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   23.704989][  T276]  __device_attach (drivers/base/dd.c:1101)
[   23.705203][  T276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.705419][  T276]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   23.705697][  T276]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.705914][  T276]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   23.706132][  T276]  device_initial_probe (drivers/base/dd.c:1156)
[   23.706352][  T276]  bus_probe_device (drivers/base/bus.c:613)
[   23.706581][  T276]  device_add (drivers/base/core.c:3706)
[   23.706805][  T276]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   23.707061][  T276]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   23.707277][  T276]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   23.707495][  T276] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   23.707775][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.707995][  T276]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   23.708253][  T276]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   23.708470][  T276]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   23.708709][  T276]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   23.708929][  T276]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   23.709145][  T276]  ? kernfs_ops (fs/kernfs/file.c:128)
[   23.709320][  T276]  new_sync_write (fs/read_write.c:595)
[   23.709541][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.709779][  T276]  ? new_sync_read (./include/linux/ioprio.h:41)
[   23.709998][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.710213][  T276]  ? ksys_write (fs/read_write.c:740)
[   23.710433][  T276]  vfs_write (fs/read_write.c:688)
[   23.710629][  T276]  ksys_write (fs/read_write.c:740)
[   23.710805][  T276]  ? __ia32_sys_read (fs/read_write.c:724)
[   23.711020][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.711237][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.711454][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.711691][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.711910][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.712128][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.712383][  T276] RIP: 0033:0x7f0b2261508e
[   23.712625][  T276] 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
[   23.713265][  T276] RSP: 002b:00007ffd380dfaa0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   23.713637][  T276] RAX: ffffffffffffffda RBX: 00007f0b22797580 RCX: 00007f0b2261508e
[   23.713938][  T276] RDX: 0000000000000007 RSI: 000056443838b060 RDI: 0000000000000001
[   23.714237][  T276] RBP: 00007ffd380dfab0 R08: 0000000000000000 R09: 0000000000000000
[   23.714534][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[   23.714853][  T276] R13: 0000000000000007 R14: 000056443838b060 R15: 00007f0b22797668
| [   23.820482][  T279] ------------[ cut here ]------------
| [   23.820664][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/279
| [   23.820911][  T279] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.821435][  T279] Tainted: [W]=WARN
[   23.821537][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.821718][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.821894][  T279] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.822381][  T279] RSP: 0018:ffa00000006a7020 EFLAGS: 00010286
[   23.822552][  T279] RAX: 00000000ffffffa6 RBX: ff11000008d4f380 RCX: 1ff40000000d4dca
[   23.822764][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4f43c
[   23.822965][  T279] RBP: ff110000058fa000 R08: 1fe22000011a9e89 R09: ff1100000f2a2e80
[   23.823167][  T279] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.823370][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.823578][  T279] FS:  00007fb22c1d8840(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   23.823822][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.823993][  T279] CR2: 0000000010fb1988 CR3: 000000001910f004 CR4: 0000000000771ef0
[   23.824199][  T279] PKRU: 55555554
[   23.824301][  T279] Call Trace:
[   23.824403][  T279]  <TASK>
[   23.824473][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.824617][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.824723][  T279]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.824860][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   23.824998][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   23.825139][  T279]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.825276][  T279]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.825413][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.825549][  T279]  ? 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))
[   23.825700][  T279]  netif_change_flags (net/core/dev.c:9820)
[   23.825838][  T279]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.825978][  T279]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.826118][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.826290][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.826428][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.826570][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.826709][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.826847][  T279]  ? __kernel_text_address (kernel/extable.c:79)
[   23.826986][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.827125][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.827262][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.827398][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.827534][  T279]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.827678][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.827817][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.827953][  T279]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.828093][  T279]  ? __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)
[   23.828231][  T279]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.828369][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.828506][  T279]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.828652][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.828793][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.828934][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.829069][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.829209][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.829348][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.829483][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.829629][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.829764][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.829900][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.830036][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.830176][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.830314][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.830451][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.830593][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.830733][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.830872][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.831008][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.831145][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.831285][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.831422][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.831622][  T279]  ? 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))
[   23.831760][  T279]  ? 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))
[   23.831899][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.832037][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.832176][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.832314][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.832454][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.832605][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.832746][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.832883][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.833019][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.833193][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   23.833334][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.833472][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.833617][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   23.833755][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.833925][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.834075][  T279]  __sys_sendmsg (net/socket.c:2784)
[   23.834212][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.834350][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.834525][  T279]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.834672][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.834810][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.834946][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.835083][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.835220][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.835388][  T279] RIP: 0033:0x7fb22c41208e
[   23.835531][  T279] 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
[   23.836028][  T279] RSP: 002b:00007ffe60f06e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.836233][  T279] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb22c41208e
[   23.836438][  T279] RDX: 0000000000000000 RSI: 00007ffe60f06ef0 RDI: 0000000000000005
[   23.836650][  T279] RBP: 00007ffe60f06e50 R08: 0000000000000000 R09: 0000000000000000
[   23.836855][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e96d
[   23.837057][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe60f075c0
| [   34.591137][  T295] ------------[ cut here ]------------
| [   34.591439][  T295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: echo/295
| [   34.591834][  T295] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.592726][  T295] Tainted: [W]=WARN
[   34.592896][  T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.593195][  T295] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.593449][  T295] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.594080][  T295] RSP: 0018:ffa00000008475a8 EFLAGS: 00010286
[   34.594330][  T295] RAX: 00000000ffffffa6 RBX: ff1100000cb26740 RCX: 1ff4000000108e7b
[   34.594624][  T295] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb267fc
[   34.594913][  T295] RBP: ff110000058fa000 R08: 1fe2200001964d01 R09: ff1100001e735270
[   34.595192][  T295] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   34.595472][  T295] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000847690
[   34.595784][  T295] FS:  00007f1ff6239740(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   34.596105][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.596353][  T295] CR2: 000055c215da9068 CR3: 000000000dcf0004 CR4: 0000000000771ef0
[   34.596655][  T295] PKRU: 55555554
[   34.596822][  T295] Call Trace:
[   34.597004][  T295]  <TASK>
[   34.597132][  T295]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.597338][  T295]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.597506][  T295]  netif_close_many (net/core/dev.c:1804)
[   34.597758][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.597965][  T295]  ? __dev_close_many (net/core/dev.c:1781)
[   34.598168][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.598375][  T295]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   34.598596][  T295]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   34.598843][  T295]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   34.599086][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.599292][  T295]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.599496][  T295]  ? __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)
[   34.599745][  T295]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.599949][  T295]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.600192][  T295]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   34.600396][  T295]  ? netdev_run_todo (net/core/dev.c:11703)
[   34.600612][  T295]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.600856][  T295]  ? 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)
[   34.601062][  T295]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   34.601267][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.601474][  T295]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.601700][  T295] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   34.601918][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.602126][  T295] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   34.602371][  T295] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   34.602638][  T295] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   34.602845][  T295]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   34.603090][  T295]  bus_remove_device (drivers/base/bus.c:657)
[   34.603297][  T295]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   34.603500][  T295]  ? device_remove_file (drivers/base/core.c:3073)
[   34.603728][  T295]  device_del (drivers/base/core.c:3895)
[   34.603898][  T295]  ? __device_link_del (./include/linux/kobject.h:89)
[   34.604105][  T295]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   34.604311][  T295]  device_unregister (drivers/base/core.c:3936)
[   34.604515][  T295] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   34.604782][  T295]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   34.604992][  T295]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   34.605235][  T295]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   34.605440][  T295]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   34.605664][  T295]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   34.605871][  T295]  ? kernfs_ops (fs/kernfs/file.c:128)
[   34.606038][  T295]  new_sync_write (fs/read_write.c:595)
[   34.606245][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.606452][  T295]  ? new_sync_read (./include/linux/ioprio.h:41)
[   34.606677][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.606883][  T295]  ? ksys_write (fs/read_write.c:740)
[   34.607093][  T295]  vfs_write (fs/read_write.c:688)
[   34.607261][  T295]  ksys_write (fs/read_write.c:740)
[   34.607429][  T295]  ? __ia32_sys_read (fs/read_write.c:724)
[   34.607670][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.607875][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.608083][  T295]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.608287][  T295]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.608492][  T295]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.608719][  T295]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.608964][  T295] RIP: 0033:0x7f1ff62ac08e
[   34.609174][  T295] 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
[   34.609803][  T295] RSP: 002b:00007ffc9147f600 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   34.610088][  T295] RAX: ffffffffffffffda RBX: 00007f1ff642e580 RCX: 00007f1ff62ac08e
[   34.610369][  T295] RDX: 0000000000000005 RSI: 000055c215da8060 RDI: 0000000000000001
[   34.610671][  T295] RBP: 00007ffc9147f610 R08: 0000000000000000 R09: 0000000000000000
[   34.610956][  T295] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   34.611237][  T295] R13: 0000000000000005 R14: 000055c215da8060 R15: 00007f1ff642e668
| [   34.617651][  T295] ------------[ cut here ]------------
| [   34.617906][  T295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: echo/295
| [   34.618244][  T295] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.619449][  T295] Tainted: [W]=WARN
[   34.619686][  T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.620001][  T295] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.620303][  T295] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.620986][  T295] RSP: 0018:ffa0000000847728 EFLAGS: 00010286
[   34.621290][  T295] RAX: 00000000ffffffa6 RBX: ff1100000c1a3000 RCX: 1ff4000000108eab
[   34.621639][  T295] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1a30bc
[   34.621968][  T295] RBP: ff110000058fa000 R08: 1fe2200001834619 R09: ff1100001e735248
[   34.622300][  T295] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.622647][  T295] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.622977][  T295] FS:  00007f1ff6239740(0000) GS:ff110000d53c7000(0000) knlGS:0000000000000000
[   34.623342][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.623658][  T295] CR2: 000055c215da9068 CR3: 000000000dcf0004 CR4: 0000000000771ef0
[   34.623993][  T295] PKRU: 55555554
[   34.624210][  T295] Call Trace:
[   34.624427][  T295]  <TASK>
[   34.624624][  T295]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.624929][  T295]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.625219][  T295]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   34.625474][  T295]  ? netdev_run_todo (net/core/dev.c:11703)
[   34.625756][  T295]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.626014][  T295]  ? 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)
[   34.626275][  T295]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   34.626532][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.626812][  T295]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.627070][  T295] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   34.627329][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.627606][  T295] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   34.627918][  T295] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   34.628214][  T295] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   34.628472][  T295]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   34.628789][  T295]  bus_remove_device (drivers/base/bus.c:657)
[   34.629051][  T295]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   34.629309][  T295]  ? device_remove_file (drivers/base/core.c:3073)
[   34.629586][  T295]  device_del (drivers/base/core.c:3895)
[   34.629818][  T295]  ? __device_link_del (./include/linux/kobject.h:89)
[   34.630077][  T295]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   34.630337][  T295]  device_unregister (drivers/base/core.c:3936)
[   34.630607][  T295] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   34.630899][  T295]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   34.631095][  T295]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   34.631331][  T295]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   34.631527][  T295]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   34.631803][  T295]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   34.632003][  T295]  ? kernfs_ops (fs/kernfs/file.c:128)
[   34.632164][  T295]  new_sync_write (fs/read_write.c:595)
[   34.632361][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.632640][  T295]  ? new_sync_read (./include/linux/ioprio.h:41)
[   34.632840][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.633039][  T295]  ? ksys_write (fs/read_write.c:740)
[   34.633239][  T295]  vfs_write (fs/read_write.c:688)
[   34.633402][  T295]  ksys_write (fs/read_write.c:740)
[   34.633577][  T295]  ? __ia32_sys_read (fs/read_write.c:724)
[   34.633782][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.633982][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.634180][  T295]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.634376][  T295]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.634589][  T295]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.634794][  T295]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.635027][  T295] RIP: 0033:0x7f1ff62ac08e
[   34.635230][  T295] 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
[   34.635830][  T295] RSP: 002b:00007ffc9147f600 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   34.636105][  T295] RAX: ffffffffffffffda RBX: 00007f1ff642e580 RCX: 00007f1ff62ac08e
[   34.636375][  T295] RDX: 0000000000000005 RSI: 000055c215da8060 RDI: 0000000000000001
[   34.636661][  T295] RBP: 00007ffc9147f610 R08: 0000000000000000 R09: 0000000000000000
[   34.636931][  T295] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   34.637202][  T295] R13: 0000000000000005 R14: 000055c215da8060 R15: 00007f1ff642e668
| [   34.732452][   T68] ------------[ cut here ]------------
| [   34.732601][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   34.732844][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.733332][   T68] Tainted: [W]=WARN
[   34.733422][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.733624][   T68] Workqueue: netns cleanup_net
[   34.733764][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.733918][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.734388][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   34.734537][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de3fc40 RCX: 1ff4000000092eed
[   34.734771][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3fcfc
[   34.734979][   T68] RBP: ff1100000e9f9000 R08: 1fe2200001bc7fa1 R09: ff11000009092ed0
[   34.735162][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.735337][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.735517][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   34.735781][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.735929][   T68] CR2: 000055b7cfed1bd8 CR3: 0000000004b59004 CR4: 0000000000771ef0
[   34.736107][   T68] PKRU: 55555554
[   34.736196][   T68] Call Trace:
[   34.736284][   T68]  <TASK>
[   34.736346][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.736496][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.736695][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   34.736817][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   34.736939][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.737058][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   34.737179][   T68]  ? 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)
[   34.737301][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   34.737421][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.737537][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.737710][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.737830][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.737947][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.738068][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.738189][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.738311][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.738433][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.738553][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.738731][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.738853][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.738970][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.739095][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.739214][   T68]  kthread (kernel/kthread.c:436)
[   34.739304][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.739454][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.739618][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.739743][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.739897][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.740017][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.740139][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.742875][   T68] ------------[ cut here ]------------
| [   34.742996][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   34.743231][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.743744][   T68] Tainted: [W]=WARN
[   34.743841][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.743991][   T68] Workqueue: netns cleanup_net
[   34.744115][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.744269][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.744703][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   34.744854][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de3f540 RCX: 1ff4000000092eed
[   34.745105][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3f5fc
[   34.745281][   T68] RBP: ff1100000df91000 R08: 1fe2200001bc7ec1 R09: ff11000009092ed0
[   34.745458][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.745727][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.745905][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   34.746111][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.746260][   T68] CR2: 000055b7cfed1bd8 CR3: 0000000004b59004 CR4: 0000000000771ef0
[   34.746441][   T68] PKRU: 55555554
[   34.746530][   T68] Call Trace:
[   34.746706][   T68]  <TASK>
[   34.746768][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.746924][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.747076][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   34.747194][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   34.747321][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.747441][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   34.747572][   T68]  ? 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)
[   34.747772][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   34.747896][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.748013][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.748139][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.748261][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.748379][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.748502][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.748627][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.748842][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.748967][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.749086][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.749210][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.749332][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.749453][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.749577][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.749701][   T68]  kthread (kernel/kthread.c:436)
[   34.749792][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.749942][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.750062][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.750183][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.750403][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.750524][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.750654][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.753364][   T68] ------------[ cut here ]------------
| [   34.753488][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   34.754145][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.754682][   T68] Tainted: [W]=WARN
[   34.754777][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.754926][   T68] Workqueue: netns cleanup_net
[   34.755054][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.755218][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.755706][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   34.755859][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de3ee40 RCX: 1ff4000000092eed
[   34.756034][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3eefc
[   34.756209][   T68] RBP: ff1100000a6bc000 R08: 1fe2200001bc7de1 R09: ff11000009092ed0
[   34.756432][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.756665][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.756844][   T68] FS:  0000000000000000(0000) GS:ff110000d52c7000(0000) knlGS:0000000000000000
[   34.757054][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.757207][   T68] CR2: 000055b7cfed1bd8 CR3: 0000000004b59004 CR4: 0000000000771ef0
[   34.757385][   T68] PKRU: 55555554
[   34.757472][   T68] Call Trace:
[   34.757560][   T68]  <TASK>
[   34.757673][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.757822][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.758017][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   34.758135][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   34.758255][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.758373][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   34.758492][   T68]  ? 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)
[   34.758668][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   34.758789][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.758905][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.759026][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.759144][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.759262][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.759382][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.759499][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.759677][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.759804][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.759922][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.760049][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.760172][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.760292][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.760412][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.760530][   T68]  kthread (kernel/kthread.c:436)
[   34.760671][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.760819][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.760939][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.761060][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.761206][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.761323][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.761441][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.764598][   T68] ------------[ cut here ]------------
| [   34.764736][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   34.764969][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.765446][   T68] Tainted: [W]=WARN
[   34.765534][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.765701][   T68] Workqueue: netns cleanup_net
[   34.765828][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.765988][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.766408][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   34.766572][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de3e200 RCX: 1ff4000000092eed
[   34.766751][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3e2bc
[   34.766927][   T68] RBP: ff1100000dc01000 R08: 1fe2200001bc7c59 R09: ff11000009092ed0
[   34.767103][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.767281][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.767458][   T68] FS:  0000000000000000(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   34.767727][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.767924][   T68] CR2: 000055b7cfddb090 CR3: 0000000022c26006 CR4: 0000000000771ef0
[   34.768102][   T68] PKRU: 55555554
[   34.768191][   T68] Call Trace:
[   34.768279][   T68]  <TASK>
[   34.768340][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.768489][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.768687][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   34.768808][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   34.768927][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.769043][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   34.769161][   T68]  ? 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)
[   34.769279][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   34.769399][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.769515][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.769683][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.769803][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.769922][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.770050][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.770170][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.770288][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.770410][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.770526][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.770700][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.770821][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.770940][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.771058][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.771175][   T68]  kthread (kernel/kthread.c:436)
[   34.771263][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.771407][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.771525][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.771692][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.771842][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.771964][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.772081][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.780744][   T68] ------------[ cut here ]------------
| [   34.780874][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   34.781115][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.781709][   T68] Tainted: [W]=WARN
[   34.781800][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.781948][   T68] Workqueue: netns cleanup_net
[   34.782073][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.782228][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.782753][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   34.782903][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de45e00 RCX: 1ff4000000092eed
[   34.783079][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de45ebc
[   34.783254][   T68] RBP: ff1100000a7ac000 R08: 1fe2200001bc8bd9 R09: ff11000009092ed0
[   34.783429][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.783700][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.783972][   T68] FS:  0000000000000000(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   34.784178][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.784325][   T68] CR2: 000055b7cfeb9750 CR3: 0000000004b59003 CR4: 0000000000771ef0
[   34.784502][   T68] PKRU: 55555554
[   34.784684][   T68] Call Trace:
[   34.784795][   T68]  <TASK>
[   34.784860][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.785009][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.785155][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   34.785272][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   34.785392][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.785507][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   34.785722][   T68]  ? 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)
[   34.785844][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   34.785963][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.786078][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.786199][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.786316][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.786431][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.786549][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.786762][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.786882][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.787003][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.787121][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.787252][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.787372][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.787489][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.787710][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.787827][   T68]  kthread (kernel/kthread.c:436)
[   34.787918][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.788062][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.788179][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.788298][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.788445][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.788617][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.788741][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.802531][   T68] ------------[ cut here ]------------
| [   34.802679][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   34.802931][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.803447][   T68] Tainted: [W]=WARN
[   34.803544][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.803715][   T68] Workqueue: netns cleanup_net
[   34.803849][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.804014][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.804471][   T68] RSP: 0018:ffa00000004976f8 EFLAGS: 00010286
[   34.804642][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de45c40 RCX: 1ff4000000092ea5
[   34.804833][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de45cfc
[   34.805023][   T68] RBP: ff110000091cc000 R08: 1fe2200001bc8ba1 R09: ff11000009092ef8
[   34.805213][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   34.805406][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   34.805602][   T68] FS:  0000000000000000(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   34.805828][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.805987][   T68] CR2: 000055b7cfeb9750 CR3: 0000000004b59003 CR4: 0000000000771ef0
[   34.806179][   T68] PKRU: 55555554
[   34.806273][   T68] Call Trace:
[   34.806369][   T68]  <TASK>
[   34.806436][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.806570][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.806673][   T68]  netif_close_many (net/core/dev.c:1804)
[   34.806798][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.806925][   T68]  ? default_device_exit_batch (net/core/dev.c:13075)
[   34.807055][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   34.807183][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.807315][   T68]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   34.807444][   T68]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   34.807606][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   34.807769][   T68]  ? 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)
[   34.807894][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.808019][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   34.808145][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.808302][   T68]  ? 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)
[   34.808429][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.808554][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.808725][   T68]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.808851][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.808982][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   34.809109][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   34.809236][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.809364][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   34.809493][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   34.809628][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.809761][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.809889][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.810017][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.810142][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.810270][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.810402][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.810532][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.810710][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.810838][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.810968][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.811097][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.811222][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.811349][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.811475][   T68]  kthread (kernel/kthread.c:436)
[   34.811575][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.811738][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.811865][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.811994][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.812152][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.812285][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.812414][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.814315][   T68] ------------[ cut here ]------------
| [   34.814441][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   34.814693][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.815196][   T68] Tainted: [W]=WARN
[   34.815290][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.815445][   T68] Workqueue: netns cleanup_net
[   34.815576][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.815741][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.816184][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   34.816342][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de45000 RCX: 1ff4000000092eaf
[   34.816531][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de450bc
[   34.817218][   T68] RBP: ff11000008c89000 R08: 1fe2200001bc8a19 R09: ff11000009092ed0
[   34.817405][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   34.817675][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   34.817863][   T68] FS:  0000000000000000(0000) GS:ff110000d5447000(0000) knlGS:0000000000000000
[   34.818087][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.818243][   T68] CR2: 000055b7cfeb9750 CR3: 0000000004b59003 CR4: 0000000000771ef0
[   34.818428][   T68] PKRU: 55555554
[   34.818522][   T68] Call Trace:
[   34.818673][   T68]  <TASK>
[   34.818740][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.818942][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.819038][   T68]  netif_close_many (net/core/dev.c:1804)
[   34.819162][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   34.819298][   T68]  ? netif_close_many_and_unlock (./include/linux/netdevice.h:2835 net/core/dev.c:12334)
[   34.819457][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   34.819667][   T68]  ? 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)
[   34.819794][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.819918][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   34.820063][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.820217][   T68]  ? 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)
[   34.820341][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.820465][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.820686][   T68]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.820816][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.820944][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   34.821070][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   34.821198][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.821323][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   34.821448][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   34.821655][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.821782][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.821914][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.822039][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.822163][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.822290][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.822416][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.822559][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.822757][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.822891][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.823030][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.823171][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.823305][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.823432][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.823650][   T68]  kthread (kernel/kthread.c:436)
[   34.823752][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.823922][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.824061][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.824204][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.824361][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.824492][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.824684][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.827743][   T68] ------------[ cut here ]------------
| [   34.827955][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   34.828214][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.828831][   T68] Tainted: [W]=WARN
[   34.828921][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.829082][   T68] Workqueue: netns cleanup_net
[   34.829205][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.829361][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.829802][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   34.829953][   T68] RAX: 00000000ffffffa6 RBX: ff1100000de443c0 RCX: 1ff4000000092ed5
[   34.830129][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de4447c
[   34.830305][   T68] RBP: ff110000091cc000 R08: 1fe2200001bc8891 R09: ff11000009092ed0
[   34.830481][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.830674][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.830853][   T68] FS:  0000000000000000(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   34.831058][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.831207][   T68] CR2: 000055b7cfddb090 CR3: 0000000022c26006 CR4: 0000000000771ef0
[   34.831422][   T68] PKRU: 55555554
[   34.831550][   T68] Call Trace:
[   34.831693][   T68]  <TASK>
[   34.831786][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.832016][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.832221][   T68]  ? 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)
[   34.832343][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.832467][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.832629][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.832758][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   34.832879][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   34.833000][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.833120][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   34.833241][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   34.833362][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.833481][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.833608][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.833736][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.833855][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.833976][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.834095][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.834216][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.834340][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.834460][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.834591][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.834718][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.834839][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.834961][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.835081][   T68]  kthread (kernel/kthread.c:436)
[   34.835171][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.835319][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.835441][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.835568][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.835723][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.835841][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.835966][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.838539][   T68] ------------[ cut here ]------------
| [   34.838908][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   34.839152][   T68] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   34.839658][   T68] Tainted: [W]=WARN
[   34.839749][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.839900][   T68] Workqueue: netns cleanup_net
[   34.840027][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.840183][   T68] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.840618][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   34.840776][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d1fd700 RCX: 1ff4000000092ed5
[   34.840956][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1fd7bc
[   34.841138][   T68] RBP: ff11000008c89000 R08: 1fe2200001a3faf9 R09: ff11000009092ed0
[   34.841316][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.841494][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.841687][   T68] FS:  0000000000000000(0000) GS:ff110000d5347000(0000) knlGS:0000000000000000
[   34.841904][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.842058][   T68] CR2: 000055b7cfddb090 CR3: 0000000022c26006 CR4: 0000000000771ef0
[   34.842239][   T68] PKRU: 55555554
[   34.842330][   T68] Call Trace:
[   34.842420][   T68]  <TASK>
[   34.842482][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.842643][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.842794][   T68]  ? 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)
[   34.842915][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.843038][   T68]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.843190][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.843312][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   34.843438][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   34.843559][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.843693][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   34.843816][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   34.843990][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.844127][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.844251][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.844370][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.844492][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.844625][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.844759][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.844884][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.845008][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.845166][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.845341][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.845469][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.845594][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.845724][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.845845][   T68]  kthread (kernel/kthread.c:436)
[   34.845937][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.846091][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.846210][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.846330][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.846478][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.846604][   T68]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
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:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net